MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning model as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and links to potentially compromised CMS uploads indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://shippingengineering.com/files/ckeditorothers/kesinuge.pdf
- http://cn-biyoute.com/d/files/senakotopunurerutigolu.pdf
- http://smwiarus.pl/ckfinder/userfiles/files/27409180468.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/6bb4c0647a14a82e0ba9b372711dc0a1/tomubininuwurikowuk.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/en6vbb45s6vfnt2fc3vrac5pvs/4273753692.pdf
- http://vimar.ua/userfiles/files/gotominoseruge.pdf
- http://leaguengn.com/userfiles/file///xikegelemi.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160e8c16dcacaa---81601979653.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160d566de3af95---winovafal.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f820b7ebce---70057135564.pdf
- http://happypalettebnb.com/CKEdit/upload/files/4509976893.pdf
- https://cafe-malaysia.com/contents/file/jemozixawunavikawijadiz.pdf
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610895ba1c744---xumomoxajelolipekuxex.pdf
- https://buildingexpertsdirectory.com/ckfinder/userfiles/files/zipigugud.pdf
- http://altus.pl/userfiles/file/sakosolavikemisatizefadex.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b4b923ece---47099696008.pdf
- https://peintures-descours.fr/fichier/files/fadonanimijuvoma.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bee18e5e77---3003054645.pdf
- https://pacie.vn/web/uploads/files/79171793338.pdf
- http://avsa.org/sites/default/files/images/files/pumarele.pdf
- http://unicorn-furnitures.com/d/files/81470322683.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=interconversion+of+glucose+and+fructose+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_off0000d050.bin16c3bd93c860c4ffe4fda27ae99a7a7400374deab24fd44664a2df431c6a001e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD050 | 18560 bytes |
font_01_sfnt_off0001013d.bin758125fd844724bf516f36c9da5091c6fa0a08c59b3ef589890e03d29bab7e9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013D | 10912 bytes |
font_02_sfnt_off00011a7c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A7C | 16792 bytes |
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