MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by both ML classification and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, embedding numerous external links, with a primary suspicious URL pointing to a potential phishing or malware distribution site. The document body, though heavily obfuscated, contains references to book titles and keywords, suggesting a lure to disguise the malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://resalured.ru/wix?keyword=caravaneer+2+wiki PDF link annotation
- https://cdn-cms.f-static.net/uploads/4413238/normal_603bf1ff4f642.pdfIn PDF document text
- http://tamakedesununod.mywebcommunity.org/daily_life_in_ancient_egypt.pdfIn PDF document text
- http://kamikofonem.mygamesonline.org/famous_mathematicians_with_pictures_and_names.pdfIn PDF document text
- http://rofuxipof.mywebcommunity.org/54976558873.pdfIn PDF document text
- http://tujijamutibe.sportsontheweb.net/32471793774.pdfIn PDF document text
- http://leninuludobodu.mygamesonline.org/bezab.pdfIn PDF document text
- http://vijofudevadotar.mywebcommunity.org/13962471803.pdfIn PDF document text
- http://dekiweragaf.mywebcommunity.org/6163525115.pdfIn PDF document text
- http://wojisub.mypressonline.com/pivozalileviwasuf.pdfIn PDF document text
- http://zugasanuko.getenjoyment.net/applied_machine_learning_in_python_coursera_quiz.pdfIn PDF document text
- http://gemofesane.medianewsonline.com/rukaxenitapudarix.pdfIn PDF document text
- http://supobesopo.mygamesonline.org/76029205552.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413977/normal_60107aa1bca7f.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/4c2ec763-94df-4451-bf9c-b1f30e6bfda1/douglas_adams_hitchhikers_guide_to_the_galaxy_audiobook.pdfIn PDF document text
- https://73e25548-3913-4bbb-aa69-a1b25f69568d.filesusr.com/ugd/cece23_915d6c07dc5242d2a80f05aab16dd2ab.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d37b630b-c354-494f-bd47-9ffc4b2304df/irodov_problems_in_general_physics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5bf88832-588f-4e26-8744-37acac7c6a65/rivobi.pdfIn PDF document text
- https://4f65703b-d4c0-4c9c-9e30-73c8cc83ec5d.filesusr.com/ugd/54fa57_82a95248d6e245e2a64ce9bdf9eb7ec0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bf662585-21a1-4975-b93c-5a435458e616/titesovibokapinomemakoga.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e659ebfe-8bd1-46a8-b528-a6f419e3adb4/gogudusema.pdfIn PDF document text
- http://sidepojedava.myartsonline.com/xepudexarevikorutabokoled.pdfIn PDF document text
- https://7f2467c6-0d80-4e38-8df7-27624e0b9669.filesusr.com/ugd/e19533_06c54f68157649f08f8e0e244b948b49.pdf?index=trueIn PDF document text
- https://a62e46b8-d933-4087-892c-e5439cec6991.filesusr.com/ugd/e9cba9_69b475cdf5fd424e96ec28d1d8fd7cba.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_off00011840.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11840 | 4720 bytes |
SHA-256: 0855f06e865345677fd01a5aa79ca5a7f06e4efa3db82e99bf0b7e826b347aa8 |
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font_01_sfnt_off00012875.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12875 | 10716 bytes |
SHA-256: cd2a8b644127efa84aef7a6a7a51d00b87b002a432b524e683b65727c72ee4d2 |
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