MALICIOUS
212
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1566.002 Spearphishing Link
T1055.012 Process Injection
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing attempt. It impersonates Facebook and contains numerous links to compromised WordPress upload directories, suggesting a credential harvesting or further payload delivery scheme. The presence of multiple links to disposable hosting and the use of UTM parameters further support the phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=yamaha+psr+730+manuale+italiano.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/3228134dcb8c09667b0698670dec5cec/juvixapove.pdf In PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784bb28fb34---gubapolebukujemuzopu.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608bac4dc69ee---bigupezulafijufax.pdfIn PDF document text
- http://obchodsezlatem.cz/upload/files/17158456117.pdfIn PDF document text
- https://bengalroys.com/ckfinder/userfiles/files/48997294848.pdfIn PDF document text
- http://ambvetesopo.eu/userfiles/files/larixakofutevesotizine.pdfIn PDF document text
- https://grandegroup.net/files/xarexadorajulebudifaxi.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b5c871b81---bixagifetopuzirekitoxolug.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16098657ce00fe---xofopoxanivakeje.pdfIn PDF document text
- http://dailymaydemtien.com/userfiles/files/36977006958.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/b6fe5938ee1bb3807edc8a2fd700a7da/10432222514.pdfIn PDF document text
- http://netcentricnj.com/ckfinder/userfiles/files/lixutogafemipotomotivikoz.pdfIn PDF document text
- https://bazab.ru/ckfinder/userfiles/files/66427530635.pdfIn PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/ninoza.pdfIn PDF document text
- http://ichieh.tw/uploads/files/202108240507529320.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/976c116777a0621352b02654ad119e36/kedareruronojepojikekodep.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/b152afd20df3067a3a7dca6806fb4c92/57245968277.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/gjmnv4l6m71cjsfvmjdns1jca5/95157662639.pdfIn PDF document text
- http://memphiscentral1969.com/clients/865565/File/terudenelokepunuranexen.pdfIn PDF document text
- http://bienbao.org/uploads/files/29983786344.pdfIn PDF document text
- http://yngc.ru/admin/ckfinder/userfiles/files/72609261168.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/fanopelokor.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160eca3006b5a0---75769321739.pdfIn PDF document text
- http://envigest.cz/upload/file/tedituziri.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f25f1afa55---5637501713.pdfIn PDF document text
- http://parkety-patemal.sk/files/file/givozi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=yamaha+psr+730+manuale+italianoPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cd19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD19 | 18184 bytes |
SHA-256: 559492b3dfb643b0ffc31ee8eb9e5baaeed131d625b87c0805357e7d441cbe13 |
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font_01_sfnt_off0000fca9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000114c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114C0 | 10944 bytes |
SHA-256: 3cd6ca2ab54b32209fa650c7e8fcc0c3297a484ad184f38155949ef049a77a9e |
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