MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to compromised CMS upload directories and disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious sites. The primary purpose appears to be facilitating initial access, likely through spearphishing attachments, leading to further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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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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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 http://fouladsazanco.com/Upload/file/72123000432.pdf In PDF document text
- http://lenosada.sk/editor_uploads/files/87386754997.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a842676503c---zarimizemukurotuzorojizel.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/ajp76d5n3op7qs73p1jf10un0s/jajopijuxa.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1e7b37941---rizepegotam.pdfIn PDF document text
- http://ldksolar-officialliquidation.com/userfiles/files/26749098392.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160778e65e1538---56812989367.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/e4f7bb1eefdcb9cce6310d365c2abada/terikajaro.pdfIn PDF document text
- https://cpsguffanti.com/uploads/file/zikem.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d6e953495---kivujikesiro.pdfIn PDF document text
- https://nbtele.com/en/cache/fck_files/file/sitalasunaxebataxako.pdfIn PDF document text
- http://www.grifin.sk/files/16781045179.pdfIn PDF document text
- http://maility.pl/_ADRESuserfiles/file/64457740829.pdfIn PDF document text
- http://wanyuantemple.tw/userfiles/file/subiwivugukuxuto.pdfIn PDF document text
- http://immobilieninvestors.eu/userfiles/file/gojazivitewedufuvofived.pdfIn PDF document text
- http://xn--kprq5pvqklteonubj6c.tw/CKEdit/upload/files/tedegemusu.pdfIn PDF document text
- http://fuli-capital.com/userfiles/file/70071325543.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/8513140836.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/91659038354.pdfIn PDF document text
- http://blpest.com/UserFiles/file/zefaxorasazenenoxugivimu.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/8256827057.pdfIn PDF document text
- http://gibisch.com/files/files/wazedifokuwoji.pdfIn PDF document text
- https://dreamscapes.ca/dream_scapes/userfiles/files/7508521728.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/88290373496.pdfIn PDF document text
- http://www.rpv-drachten.nl/files/file/15940686478.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=dometic+3+way+camping+fridge+instructionsPDF 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_off000103e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E2 | 17620 bytes |
SHA-256: d4c3748d795149ac7eae3e4898accf509bef3f5b1cf029e93b96a329b35a5b59 |
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font_01_sfnt_off00013235.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13235 | 11388 bytes |
SHA-256: 65bbf569d393343f5bd582b8b0add32c8368c64cb2e76ea1b9d437b3e3d68f29 |
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font_02_sfnt_off00014cfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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