MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded URLs and the nature of the links point towards a tactic of using compromised infrastructure to host or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://asja-doll.ru/userfiles/file/344991770.pdf In PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16084f903c6923---233987032.pdfIn PDF document text
- http://virtualcharityevents.com/vce_cake/files/files/42262592435.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/add73776745caaad468811440fac3b6c/90724910869.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/1gvjh4pk9pnfohfcjbl3sbd2bl/nesuzamulemajejino.pdfIn PDF document text
- http://iehyun.com/editorupload/file/telezudejopinamopa.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/5189716590.pdfIn PDF document text
- http://analogsys.com/uploaded/file/126699733960b190c238293.pdfIn PDF document text
- http://pro-group.ru/userfiles/files/98320011242.pdfIn PDF document text
- https://tractorpulling-emmeloord.nl/upload/file/bujaxite.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160e55cc32e7cb---nazon.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6143c0210a---66292198856.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/ada839899434154b093281d5caac65fd/tuzotizutofug.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/ecae36595297f9164527addc92fc1958/xupunazuwiwudoxirusaxo.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/domefo.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3b00b8a09---kipalebijiz.pdfIn PDF document text
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a693e0339---mokozogelopox.pdfIn PDF document text
- https://www.shinoda-usa.com/ckfinder/userfiles/files/lepivor.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/ed84721404a2263741edc98475459af1/voxowubopemed.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607c767f1e1c1---zuludu.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607c156ce2921---35193689910.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce23778c63---ditizevan.pdfIn PDF document text
- http://baraanduliaptti.org/userfiles/file/sadokemejixur.pdfIn PDF document text
- https://digireg.it/upload/21032589668.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=managing+state+in+reactPDF 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_off0000edee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDEE | 10232 bytes |
SHA-256: d27a005a4e71541e4b57cfc136a94181e1c95dc6ae86d073c0328fe4897b18c4 |
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font_01_sfnt_off00010508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10508 | 18228 bytes |
SHA-256: f172deb877d79f42e196d29bf34cd5a05d8611cfc0367a083524b613f6ba9411 |
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font_02_sfnt_off00013537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13537 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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