MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised WordPress upload directories and other disposable hosting sites, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://sosonomo.com/ckfinder/userfiles/files/59850685064.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5b3edb2065---58457417325.pdf
- http://austria-ex.com/images/blog//file/32449928007.pdf
- http://arcdesantmarti.com/biocop/Images/images-editor/file/80716394818.pdf
- http://izumrud38.com/ckfinder/userfiles/files/51728862637.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f430a05fe7f---gobesivaxe.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/8980b9b43f0ddc8b9fc0ea98fca508fa/64104088532.pdf
- https://hsse.cl/files/tekebi.pdf
- https://www.icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/63070086280.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075e0ff8a6ef---61809771611.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/v96nr14k4ef34bljspve9q37r4/63321286897.pdf
- http://musiclivemarsala.com/userfiles/files/zagupuwememuti.pdf
- http://akcjonariusz.com/UserFiles/file/11923672801.pdf
- http://kotolantopeni.cz/file/sidibawibiwe.pdf
- http://zimaletto.com/uploads/file/69636681251.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc0f9d05ab5---24024382363.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/96aa21e97b75a6c79e637b02c6e55def/85053796792.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16084b56d1f489---22587992710.pdf
- http://otczenacts.com/media/files/zenutolanif.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/298213b22c72a50253db2670c2b69e6f/fivimiremedibibiful.pdf
- http://hart-metale.pl/gimnazjum/userfiles/file/ruzajoduvirifavimamowip.pdf
- http://nousgarage.com/userfiles/file/56582597485.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160dc05236053c---fidimimezolixakir.pdf
- http://xdata.pl/app/webroot/img/ckf/files/65752610234.pdf
- https://accuratesearch.com/userfiles/file/xowog.pdf
- http://ke-sen.com/userfiles/file/1628958580.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=event+planner+business+plan+pdf
- 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_off0000e700.bin8c0cbac8b1d3ba0517e461b7273922ff7f7511e205b9c2d4dc0ae9a02fea66e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE700 | 10660 bytes |
font_01_sfnt_off0000ff4d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF4D | 16792 bytes |
font_02_sfnt_off0001175f.bin610fef755ba088d50e38612c6ba308fe9a381f00efcb3bb9612313dd1f424138 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1175F | 16408 bytes |
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