MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document likely prompts the user to install a fake browser update or extension, which is a common method for delivering malware or stealing credentials. No scripts were extracted, but the extensive link farm and social engineering lure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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 https://golowaki.ru/award?keyword=compress+pdf+size+mac PDF link annotation
- http://pupezawat.scienceontheweb.net/bissell_spot_clean_proheat_pet_portable_carpet_cleaner.pdfIn PDF document text
- https://taduravepe.weebly.com/uploads/1/3/4/7/134714340/matusomaxe-zajamitez-seliwijesepi.pdfIn PDF document text
- https://cdn.sqhk.co/zolususux/dXjjQ30/53044509357.pdfIn PDF document text
- https://bitojobuf.weebly.com/uploads/1/3/4/8/134892495/xinuzorufubaxis.pdfIn PDF document text
- https://fukoxifixe.weebly.com/uploads/1/3/4/4/134460993/gewukofupoguvurutite.pdfIn PDF document text
- https://cdn.sqhk.co/xuwadezab/bHuTGVG/zudabi.pdfIn PDF document text
- https://cdn.sqhk.co/bipuzojafa/bN6vvib/defender_hd5_top_speed.pdfIn PDF document text
- https://tikuvafijosil.weebly.com/uploads/1/3/4/6/134685963/4641963.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411918/normal_5fd0798bd243d.pdfIn PDF document text
- https://cdn.sqhk.co/fokatekox/igdhiG1/ziduril.pdfIn PDF document text
- https://givodevivunafa.weebly.com/uploads/1/3/1/8/131871579/2346999.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446017/normal_5ff4bde234b2f.pdfIn PDF document text
- http://dodajavux.scienceontheweb.net/remedies_against_satans_devices.pdfIn PDF document text
- https://lopenedaxi.weebly.com/uploads/1/3/1/6/131606218/kikelaru.pdfIn PDF document text
- https://cdn.sqhk.co/bisidilit/bhidAe5/jodafu.pdfIn PDF document text
- https://cdn.sqhk.co/fegadosijete/ihitJgj/funny_voice_changer_app_apk.pdfIn PDF document text
- https://cdn.sqhk.co/rajunakeb/KI9dhja/chessington_world_of_adventures_login.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jokosen.atwebpages.com/hp_laserjet_4015n_printer.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d65b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD65B | 5224 bytes |
SHA-256: caba7a402f2b84a2f7828a0cda82e4a595e59e0efe52ae1fd6ef748e2039fa1c |
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font_01_sfnt_off0000e80c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE80C | 10268 bytes |
SHA-256: c30d3af4245e81c048d32ab15893bcf4a14c5acc228be729fad0f68423bff07d |
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