MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable domains or potentially malicious content, suggesting a link farm or phishing operation. The document body is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf, which can be used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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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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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://zajinet.ru/strik?utm_term=el+aleph+resumen+corto PDF link annotation
- https://static.s123-cdn-static.com/uploads/4426085/normal_6007d18d6db3a.pdfIn PDF document text
- http://fogafiv.mypressonline.com/jabodifabazabivex.pdfIn PDF document text
- http://kojazunupetip.mygamesonline.org/61964470630.pdfIn PDF document text
- http://jibinomazovujug.22web.org/bhojpuri_film_raja_babu_video_song.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403937/normal_5ff40d14153b8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455375/normal_6012c922060cb.pdfIn PDF document text
- http://mofizikozi.22web.org/nutrition_label_template_free_canada.pdfIn PDF document text
- http://kixiwogazu.sportsontheweb.net/2015_mustang_ecoboost_hp_upgrades.pdfIn PDF document text
- http://pazefezos.mywebcommunity.org/why_does_my_dell_inspiron_says_plugged_in_not_charging.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470412/normal_5feb2d31aeb6f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/fc727032-ed72-4424-bc0d-4afc28d603fe/97164630818.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9eb90465-8a3a-4b1d-bec0-29123b94b54e/frigidaire_mini_fridge_retro_black_friday.pdfIn PDF document text
- https://03aaa7dd-6608-466c-a68c-f41c59811c05.filesusr.com/ugd/ae15ca_36f0bed3b0fb450eba5a78a6c6181206.pdf?index=trueIn PDF document text
- https://899154e9-876a-4ab4-94d5-c8ef2aed10f2.filesusr.com/ugd/dcf9ad_e916f68a7d4a4e799acd2256b483db27.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a0028974-b4d8-47c7-b771-b92a4a11c02a/biguniwegorivexoti.pdfIn PDF document text
- https://4bf641bf-117a-4913-931f-55e49063997f.filesusr.com/ugd/5befcb_01b4c5c8600a42f380c8096b44f999c4.pdf?index=trueIn PDF document text
- https://c8a164a7-2549-4056-b209-d27d417f800b.filesusr.com/ugd/136d3d_a5c57f5120d04d66b7eeed7908881eea.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/63e2efb9-cdeb-4891-854c-9f4ff892774e/serta_motion_essentials_adjustable_foundation_queen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2cbbb3fc-6137-453c-9c3f-9d0bcf61b3df/wonezapavokatabamesebid.pdfIn PDF document text
- https://8e0cabef-d481-4215-b437-8a5fc4e4723c.filesusr.com/ugd/f41140_c038c88534784b568dfc54594dee7887.pdf?index=trueIn PDF document text
- https://efa91360-7c21-416c-9d60-3189e0beb381.filesusr.com/ugd/42ffc7_f7187b7fd2fd4e2486c0d1e32e6e2cd1.pdf?index=trueIn PDF document text
- https://f8b2de7a-6012-4721-b8f1-df5267d6bb95.filesusr.com/ugd/8ebb60_124ca79337814c4eb4c7da739522059b.pdf?index=trueIn PDF document text
- https://1c514d3f-4aca-4c14-a2cc-94ef866bc6c7.filesusr.com/ugd/860217_b1e9b0b49dc54720ad2285f0496bbfdd.pdf?index=trueIn PDF document text
- https://38f9ccf9-db33-4582-994d-0ea518e52d38.filesusr.com/ugd/368de4_244d1f676db84c418e217c756ebfaf90.pdf?index=trueIn 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_off00010bef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BEF | 5132 bytes |
SHA-256: 3d8e7ee64645a95715a72d52331998dbb60ded5f3a3f4f8d7611dfad4925280d |
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font_01_sfnt_off00011d35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D35 | 10372 bytes |
SHA-256: f2da5201b51ee1979a2f7a5e9ffb19e34cd85b375505072919cf072f81bc6395 |
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