MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://dafemum.ru/aws?utm_term=how+much+does+hp+motherboard+cost PDF link annotation
- https://cdn-cms.f-static.net/uploads/4445337/normal_601a5bd177009.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367921/normal_603bda9cc5c1c.pdfIn PDF document text
- https://severuzilun.weebly.com/uploads/1/3/4/7/134710190/9436001.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368503/normal_60109f4164904.pdfIn PDF document text
- https://begagezegitajaj.weebly.com/uploads/1/3/1/3/131398046/2fe79f40966ca9.pdfIn PDF document text
- https://wevejabunom.weebly.com/uploads/1/3/1/4/131406075/8514fc.pdfIn PDF document text
- http://wubujonil.getenjoyment.net/6.0_powerstroke_kc_turbo_rebuild_kit.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369774/normal_5ff0467e6c264.pdfIn PDF document text
- http://wonozudobitisog.scienceontheweb.net/23162120168.pdfIn PDF document text
- https://jevezorubik.weebly.com/uploads/1/3/4/8/134864628/kojurinivomomoge.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374380/normal_60083b0d3706f.pdfIn PDF document text
- https://bejasesazopo.weebly.com/uploads/1/3/4/5/134512805/967040ed3e9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494648/normal_5fca0596514a5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425504/normal_5feba701ad488.pdfIn PDF document text
- http://fuxanujibiz.mygamesonline.org/fly_tying_vise_reviews_2020.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mifojizu.myartsonline.com/30689634183.pdfIn PDF document text
- https://6e37e838-c278-4d46-baa9-25b8497af200.filesusr.com/ugd/fbcb80_af325cd72748425dbcf216bee1c5474b.pdf?index=trueIn PDF document text
- https://01d67eed-50ba-4ccb-8f82-c1581f7ed07e.filesusr.com/ugd/e3325f_70875b67d7634680a9b7bf34955986ef.pdf?index=trueIn PDF document text
- http://rabatelekovufar.myartsonline.com/warm_white_christmas_tree_lights_with_white_cable.pdfIn PDF document text
- http://sajulugebimisu.myartsonline.com/is_physics_class_12_hard.pdfIn PDF document text
- https://89e5ed4a-33eb-42a6-b5f1-9fc07ea1e15b.filesusr.com/ugd/ff68bb_818f045a12b743699244cc7952c30cf3.pdf?index=trueIn PDF document text
- https://8f1ef4f7-3f23-41ef-a3d6-4e5873a175a2.filesusr.com/ugd/d318ce_59134b0fded445828d0c0e8a1531a190.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_off00010acd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACD | 5476 bytes |
SHA-256: dac255e01f22bf7c39b73967824be889af8795f4a9c1b2e06296c98083605202 |
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font_01_sfnt_off00011d45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D45 | 10972 bytes |
SHA-256: d0c2461be4ce7c480981c7546e26d7d899fbee8e30ee670ec1cf9b6c4cb18b65 |
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