MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised WordPress upload directories, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded URLs and the PDF structure are consistent with a malicious document designed to lure users to external, potentially harmful, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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 https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0988b09050---37123451601.pdf In PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/68410857177.pdfIn PDF document text
- http://babamoleskine.com/files/file/lejaviwekifarisitifilu.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/48obp82rertat58h0809s76na4/bavobubiwu.pdfIn PDF document text
- http://intergeored.com/upload/File/vukiw.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/wofarunujibiwolofesa.pdfIn PDF document text
- http://agiusfuneraldirectors.com/files/file/90690633643.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfc3d94fda3---vekiwemizesumifutetenu.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16095f0cbc5c60---96661191324.pdfIn PDF document text
- https://abe-rdc.com/userfiles/file/vokedawofagavogusovalom.pdfIn PDF document text
- http://papianiarch.it/userfiles/files/julis.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/kiximu.pdfIn PDF document text
- https://kompaspt1.com/contents//files/69846121403.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160905ebd1f819---vixodudomugasofovigopep.pdfIn PDF document text
- http://project-st.ru/userfiles/file/vijejupunibut.pdfIn PDF document text
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/8vqcs3sasr8hihtu72hcbd0ffo/43596022545.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd103ec1ff8---medidika.pdfIn PDF document text
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/1slpensbsmqag17i1mm6nqu0q6/81088933917.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e8ef0b58267---gezomafulisonale.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/nolupu.pdfIn PDF document text
- http://dtpokebar.com/uploads/files/45386682735.pdfIn PDF document text
- http://glassco.ca/clients/9/99/99aa1728c1dafa3cf8773a75727b87c9/File/kikutemorivikutuvojan.pdfIn PDF document text
- https://aradmissions.com/ci/userfiles/files/30792153731.pdfIn PDF document text
- http://ziguratex.com/helpdesk/app/webroot/img/userfiles/files/46747050783.pdfIn PDF document text
- https://dbmotorbrokers.com/userfiles/file/banogavonabomulepamokal.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/82aa30a16a1f05313861585e824a0a22/67635091314.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=what+did+the+rev+die+ofPDF 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_off0001057e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1057E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011d90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D90 | 17672 bytes |
SHA-256: 3b91987e7cfbf559d9e08b936bd6e12fbd331750e7d7e958bdd892f276f6f265 |
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font_02_sfnt_off00014be2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BE2 | 10192 bytes |
SHA-256: 0000e90765c3cf3c8a932ef1623a7fa2217a69a6efbbabe5032014fd880cc36b |
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