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 0.9993
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://gimoguvi.ru/strik?utm_term=vsepr+theory+molecules+with+lone+pairs+worksheet+answers PDF link annotation
- https://lijuvimu.weebly.com/uploads/1/3/0/7/130775306/sipupagudijaji-jokazep-tazubapexoku-kepodomug.pdfIn PDF document text
- http://xeberul.mywebcommunity.org/fagakezikasefewuv.pdfIn PDF document text
- http://kutivefivugokev.mypressonline.com/defogux.pdfIn PDF document text
- https://wilubiluzitewi.weebly.com/uploads/1/3/1/4/131413550/lufevufitaluf.pdfIn PDF document text
- https://cdn.sqhk.co/paxabuxutujo/fxja4hU/shipwreck_grill_point.pdfIn PDF document text
- https://cdn.sqhk.co/serodozire/bjjUN5s/woxeruxavixevuwevotelepij.pdfIn PDF document text
- https://cdn.sqhk.co/remavaveso/hgchadh/71914933057.pdfIn PDF document text
- https://cdn.sqhk.co/kazaluxi/mghDid5/90673715160.pdfIn PDF document text
- https://cdn.sqhk.co/dokederajo/eii54ih/bowmasters_free_characters.pdfIn PDF document text
- http://kidulukapaxarej.iblogger.org/bolt_and_nut_weight.pdfIn PDF document text
- https://cdn.sqhk.co/zubavagi/fAihMkl/1507050067.pdfIn PDF document text
- https://sajolunuweto.weebly.com/uploads/1/3/1/4/131407571/237fe.pdfIn PDF document text
- https://cdn.sqhk.co/nosimasiv/ijIhaGn/2884523202.pdfIn PDF document text
- https://cdn.sqhk.co/nuditufu/gifggjf/best_portrait_camera_for_android_phone.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jorixoxogud.epizy.com/rogidetifesukelasos.pdfIn PDF document text
- http://gekasudevij.epizy.com/67388437861.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f0b4d49b-232b-4364-906b-3844105d48fd/how_to_make_a_fake_bookcase_door.pdfIn PDF document text
- http://nudagimanefej.atwebpages.com/82738515449.pdfIn PDF document text
- http://jalijoruki.atwebpages.com/50893079649.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ada81ee2-086e-4534-991d-1b402b715898/70604882244.pdfIn PDF document text
- http://xupopav.epizy.com/google_classroom_tutorial.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ff5155c-f12e-4161-9469-126266c4f420/irrational_numbers_math_proof_definition.pdfIn PDF document text
- http://renepipelusibav.rf.gd/ferret_diet_guide.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_off00013614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13614 | 5396 bytes |
SHA-256: 42747bb2795dac67e65405926b480f777eb2bd2bad86ea2fc7259fd868feba78 |
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font_01_sfnt_off00014860.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14860 | 11028 bytes |
SHA-256: 2b497d05cf41bc85e21c4c849824d5ee06e2fd06332e2221041fe46f3eda1940 |
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