MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links pointing to various PDF files hosted on disposable domains, indicative of a link farm. The presence of a URL with a 'utm_term' parameter suggests a potential phishing or traffic redirection scheme. ClamAV detection and ML classification further support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://vilenefex.ru/strik?utm_term=why+use+a+dehumidifier+in+the+basement PDF link annotation
- http://bezprovodov.guru/principal_of_agronomy_book24560.pdfIn PDF document text
- http://onenature.space/xigizosnnp3q.pdfIn PDF document text
- http://theharaka.online/european_car_service_east_tamakiu74k1.pdfIn PDF document text
- http://top-odejda.com/125288820332s3s5.pdfIn PDF document text
- https://rarozevalir.weebly.com/uploads/1/3/1/4/131437937/fazonovanov.pdfIn PDF document text
- https://pozimifekof.weebly.com/uploads/1/3/4/6/134674510/sujawepiru.pdfIn PDF document text
- https://luvodufugatese.weebly.com/uploads/1/3/4/8/134893210/padetosagariwojure.pdfIn PDF document text
- http://pinerapidsrr.com/888601214773f15n.pdfIn PDF document text
- http://persequenteamsohbet.com/how_to_add_poll_everywhere_in_powerpointdiinm.pdfIn PDF document text
- http://stikc.xyz/48359237784b4tkm.pdfIn PDF document text
- http://sq11mini.com/waveguide_directional_coupler_designdjhcu.pdfIn PDF document text
- http://about-igsupport.com/total_gym_1000_setupllpo5.pdfIn PDF document text
- http://farvestnn.ru/74996824334gow2e.pdfIn PDF document text
- http://bcpzonasegurape2-viabcp.com/anydesk_free_windows_7g4xcc.pdfIn PDF document text
- http://lokotahas.ru/94447478833lu4eg.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://c38d9960-f3a4-46a0-b266-cfc7836dd0ed.filesusr.com/ugd/a8d9c8_c18b2ad95197489fb9d430e253a2a78e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/selivuvumepaveb/3581525071.pdfIn PDF document text
- https://5d3a357a-25b2-4459-9cd8-210b235f7b36.filesusr.com/ugd/45e30f_c01645688b5c41328882726aa498a1f5.pdf?index=trueIn PDF document text
- https://f4e740b0-69d0-4d5c-a0c7-362dc6b2ad6d.filesusr.com/ugd/0356fc_f932c373b08f44ab8dedf1c6e0cce8c1.pdf?index=trueIn PDF document text
- https://29159626-56e2-4eb2-a8c1-eb081f451e44.filesusr.com/ugd/a58502_0624e5d6a7834a7b9ba99e23ecf57e2d.pdf?index=trueIn PDF document text
- https://44eeb0f0-4dc9-4d8b-b3fd-cc7ace98e90e.filesusr.com/ugd/a083a1_41cd39551eab4d5d9a7bd66a13ae919c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wivunonovef/rogizutasijatibukalimale.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f2f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F2 | 5140 bytes |
SHA-256: 063d25af967e18b36a98ed0b0a57b82b3e1323127ad1be92b6ea07556c3fed59 |
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font_01_sfnt_off00010446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10446 | 10728 bytes |
SHA-256: 7916896ed23b4b6a898ecc00a5defea2950a0c115de5a3920dae3094882dcc03 |
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font_02_sfnt_off0001288a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1288A | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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