MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, forming a link farm. The presence of external URIs and the overall structure suggest a phishing or malware distribution lure, likely delivered via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://animalscipublisher.com/files/upfiles/file/xudurekemiko.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b57530ed2ad---likeselinubafex.pdf
- http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gorivunawujolapagudines.pdf
- http://phuocthuan.vn/images/pic/file/vakenefaruxete.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160916a3ec672f---sisojimavuvisojakopu.pdf
- http://jarosi.hu/files/file/zuwefi.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/33073bc2952ebf0c94771e43b2bfe5f2/jotoxuxikafegedit.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a677136a163---90053232968.pdf
- http://www.rannatennis.ee/data/upfiles/files/navutonu.pdf
- http://dientrotiendathc.com/media/ftp/file/lekanezega.pdf
- http://illinoislivestock.org/userfiles/file/29086575349.pdf
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/qpljuu4ia0kjgo6pl04kdppg29/82622085661.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a2571f741---debalebejojidudati.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/1vtmfq2fd011o5t0ka54p315q3/ditodosu.pdf
- https://grupo-kayros.com/userfiles/file/8186025118.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1a78deb213---66808393291.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087824ae756a---42736405984.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a097dcd4ce0---93478691158.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa00142e8f---9629704271.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/ufhib6v3tlpsrodvsmmcluqg6v/90933976605.pdf
- http://alphasigmaoverseas.com/userfiles/file/51121255730.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d9e2ee8a7d3---xemuvapiwakan.pdf
- https://baxsporthorses.nl/userfiles/file/60254757065.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=rhonchi+lung+sounds+location
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e5e5.bin5845b88970709202334937020f27bcc46ea66375f4073f29486c0fd6b8cf39ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5E5 | 10560 bytes |
font_01_sfnt_off0000fdb6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB6 | 16792 bytes |
font_02_sfnt_off000115c8.bin00c1d1a2e46e5dfde47f4d36c81f207bb900abc6497fe51b777118baf4e6e0f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115C8 | 16524 bytes |
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