MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing or trojan. Heuristics indicate it contains a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting an attempt to distribute malicious content. The 'SE_CALLBACK_LURE' heuristic confirms the document's intent to trick users into calling a phone number, a common tactic in phishing and tech-support scams.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://macabrey-luthier.fr/data/Files/loxuxujukunufuxibit.pdf
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/65c7d258fe79f5ac49dc4975ed4cb41e/6333344372.pdf
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/76193372260a929f3486be.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e91a4dbad7---xorexumibosorezozo.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b5720a57c00---47149009471.pdf
- https://anakmeong.com/contents//files/neweposelememef.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160817c561c626---83684495709.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/vvgva64aenurddabpfb3me5e43/48219434979.pdf
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d736726f12---kugemisufinuxakutegipi.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2bc265477b---94774428533.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b59c336c65b---kesirelugu.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/vskjp8h2eb15h043a8ltsjn56g/fazulojakiganito.pdf
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/rdm3qgbi9o6psqe0sd4qndn553/6760834386.pdf
- http://files.ibiza-ferien.de/file/zetapesezoguxapi.pdf
- http://arunimaflavours.com/userfiles/file/48155183925.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/oge4oalt63iu6icsbadkaolv37/lolululenezibiganit.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16086ae066bf64---nadatasexupozale.pdf
- http://morgancountyoh.com/userimages/63476937905.pdf
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/44a649ec8c68d6809dc4555f43fff648/82423432678.pdf
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b54712096---8099767363.pdf
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160aafcd338c2f---15990734526.pdf
- https://mamap.in/ci/userfiles/files/94236828723.pdf
- http://cowmoo.org/ckfinder/userfiles/files/tijorugarus.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=takeaway+sunday+lunch
- 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_off0000f835.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF835 | 16792 bytes |
font_01_sfnt_off00011047.bin993bc9a3de7e09d48a336190631cdde8a7a2557af91bd31b65ba26a56fac1bbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11047 | 17468 bytes |
font_02_sfnt_off00013e3b.bin2aae2f4d4c74bf6293642170ef32c674f2ff580a27a03c907ae84a559bf69c4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E3B | 10412 bytes |
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