MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristics indicate it functions as a link farm, directing users to various domains, some of which are hosted on compromised WordPress sites. The document body, though heavily obfuscated, contains embedded URLs and is associated with a callback lure heuristic, suggesting an attempt to trick users into initiating contact for fraudulent purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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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 https://pixomot.ru/uplcv?utm_term=dbms+manual+pdf
- http://whewfamily.com/clients/12004/File/11864493773.pdf
- https://pasarantogel2.com/contents//files/80022979617.pdf
- http://codemessaging.net/ckfinder/userfiles/files/wujipesatobajatowale.pdf
- http://rld-carbon.ru/file/20925472641.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae03b060a1---nejifazuruzozituro.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8ef2b6e8d---ribesosikutimamugemiz.pdf
- http://liebherr-tr.com/userfiles/file/8897106823.pdf
- http://fine-cottage.ru/userfiles/file/kibewoxanebuxefotolukuvi.pdf
- https://tenshinorchids.com/FCKeditor_upload/file/5834326660.pdf
- http://www.medicellbank.com/userfiles/files/zuwinodedoxonaf.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078a07f972d9---tanewix.pdf
- http://liebherr-tr.com/userfiles/file/siganukivorakonavetir.pdf
- http://pinzimoniofiumicino.eu/userfiles/files/pudim.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/eh8rafrdqe3n2l7fel7off8nh5/16681598594.pdf
- http://www.ecvbrass.ch/user/web/file/gulaf.pdf
- https://alienaquatics.com/home/gb/public_html/ckfinder/userfiles/files/30716082132.pdf
- http://alnadaoil.com/userfiles/file/482362741.pdf
- http://cn-noah.com/uploadfile/file/lumowofiwofirume.pdf
- http://bjjiffy.com/upload/33870996127.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16077a9de10603---dupadimoruzus.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_off0000ae41.bina8ffc6b449e03ea771867fb3559cf27bd86aa341773340aca9909cb0f950f6a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE41 | 10356 bytes |
font_01_sfnt_off0000c55b.bin3d10c931b175bacbff3576a45c5f9fa8bc9d4050460a82343a3a3a778115175f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC55B | 14708 bytes |
font_02_sfnt_off0000ea17.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA17 | 16792 bytes |
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