MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links to external websites, many hosted on compromised CMS upload storage, suggesting a link farm used for distributing malicious content or phishing pages. The 'SE_CALLBACK_LURE' heuristic indicates the document likely prompts the user to call a phone number for a fake issue, a common tactic in tech-support scams or callback phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://crewmak.ru/uplcv?utm_term=blurred+vision+and+flashing+lights
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd7bd61165---75638864300.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609268609795c---41145301522.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/pqof2o8dlhloc9ke8bf4ee31j4/50671749939.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16078ed0fe9eb9---giguvarojizumika.pdf
- https://koffiewarenhuis.nl/app/webroot/files/userfiles/files/2513166467.pdf
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/uk5f52nl1pe3nn003j4ak022mg/20091359150.pdf
- http://vanphongphamhienluong.com/upload/files/sefalabutonepodevidepifu.pdf
- http://gillsandgeckos.com/userfiles/file/58575537995.pdf
- http://sukhabalka.com/files/file/53963123744.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ab15e4e6538---wafasepovimoki.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160be58f68210d---94847448007.pdf
- http://songiadahoaian.com/upload/ck/files/94316605945.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/87b09e67837aebefa11732d7ecaa80a9/18021690083.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160712eb828261---23628232858.pdf
- https://wineart.online/userfiles/file/44363208406.pdf
- http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/ard6i2b2u8r23mudo59rudh390/nivulovisegoxomufobob.pdf
- https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/7efdbe081bd5aa1f3c62c298084f65d4/40853704382.pdf
- http://lotusromeo.fr/app/webroot/files/userfiles/files/dupelimopamawivivodegubag.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609890d716352---22040718340.pdf
- http://creativeindustries.ru/uploads/userfiles/file/niwelomubezuj.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da9e39f1b3d---65176953315.pdf
- https://koratspring.com/upload/file/salobuxegudemagakiju.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1d9f684af---zunego.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608462509ff5b---felatame.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_off0000e856.bin14ffd65b2b7c6b5909672f4490fb53ae30efc3541558016c079133a8aec09a68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE856 | 10852 bytes |
font_01_sfnt_off0001012d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1012D | 16792 bytes |
font_02_sfnt_off0001193f.bin58bcdf16a8d58fe17343e38078ba0e75dd2857244a075a6eace41a9f8ee1206f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1193F | 17000 bytes |
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