MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDFs. This structure suggests a link farm designed to redirect users to malicious content, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/fdc0e8629ba76c419c574263d95bc7b9/263370141.pdf In PDF document text
- https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/1714356ab198d3a820e6c2529f51c3ce/91591802718.pdfIn PDF document text
- http://realestatemiami.com/userfiles/files/surapazedesupepedoka.pdfIn PDF document text
- http://icaalliance.org/filespath/files/20210925180756.pdfIn PDF document text
- https://himarco.ir/basefile/himarcoir/files/53245632262.pdfIn PDF document text
- http://rlmlaw.com/images/edit_images/file/43607837983.pdfIn PDF document text
- http://grafichesirio.com/userfiles/files/96637560832.pdfIn PDF document text
- https://ms01bet.com/contents/files/31238368902.pdfIn PDF document text
- http://thietbimaugiao.vn/Images_upload/files/gesitulumes.pdfIn PDF document text
- http://www.radanhorse.com/resource/files/80449134356.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/ptbnna1k9atiqrclmj47435275/genumaduborubo.pdfIn PDF document text
- https://www.zochrot.org/ckfinder/userfiles/files/radurenukanesukijazukaf.pdfIn PDF document text
- https://radiosmile.hu/upload/file/baxiji.pdfIn PDF document text
- http://dawahcity.com/userfiles/file/70239933814.pdfIn PDF document text
- https://parlagame.net/calisma2/files/uploads/vilamesenizezafa.pdfIn PDF document text
- http://shipsupply.ru/userfiles/files/xabaripegefev.pdfIn PDF document text
- http://www.hermosabeachbungalows.com/userfiles/files/raweperijeme.pdfIn PDF document text
- https://studiecarriere.it/uploads/file/79078789986.pdfIn PDF document text
- http://dokturmice.com/ckfinder/userfiles/files/45856164994.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/88344032312.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=50+shades+of+grey+tamilrockersPDF 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_off0000aaa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAA2 | 16372 bytes |
SHA-256: 468bb23affb37507207854626dbde551613ff72a13da86ad13e28d2df615eb99 |
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font_01_sfnt_off0000d4eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED02 | 11184 bytes |
SHA-256: f33c321dd6f2ca0521a573fab6c27483d6afcf7f6b59c425bc93656b21c52335 |
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