MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links pointing to various domains, many of which appear to be disposable or used for SEO manipulation. Heuristics indicate a link farm designed to distribute content, and ClamAV detection confirms its malicious nature. The primary function appears to be redirecting users to potentially harmful content hosted elsewhere.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://xajibur.ru/award?keyword=musculoskeletal+anatomy+colouring+book+pdf PDF link annotation
- https://xamikike.weebly.com/uploads/1/3/1/4/131406211/kajexel-fejepikom-norujomuj.pdfIn PDF document text
- http://dokojekiferej.mygamesonline.org/web_application_architecture_book.pdfIn PDF document text
- http://pressit.space/763669929634a4ew.pdfIn PDF document text
- https://mukiniga.weebly.com/uploads/1/3/4/3/134318698/sobuzedexiwobulibow.pdfIn PDF document text
- https://kinanufojakosek.weebly.com/uploads/1/3/4/3/134350472/posoguzobotiz.pdfIn PDF document text
- http://melowew.scienceontheweb.net/78174127155.pdfIn PDF document text
- https://fonuwinozizanam.weebly.com/uploads/1/3/1/4/131408397/kigag.pdfIn PDF document text
- http://woxuruko.medianewsonline.com/breaking_night_audiobook_download_free.pdfIn PDF document text
- https://xufalawat.weebly.com/uploads/1/3/0/8/130814535/3127228.pdfIn PDF document text
- http://sewawena.scienceontheweb.net/76388270073.pdfIn PDF document text
- https://miletotafog.weebly.com/uploads/1/3/4/7/134758503/vitumexezipozawez.pdfIn PDF document text
- http://belldiscount.ru/gopro_4_silver_4kj3yhe.pdfIn PDF document text
- https://zeradukiw.weebly.com/uploads/1/3/4/8/134883462/dd4a230479.pdfIn PDF document text
- https://fenikazegalo.weebly.com/uploads/1/3/1/3/131379965/danutov_lezupide_kubop_dirav.pdfIn PDF document text
- http://formulamoney.top/pexadodipip7zdz8.pdfIn PDF document text
- https://javemutamutog.weebly.com/uploads/1/3/4/6/134638327/6711747.pdfIn PDF document text
- http://koteyarn.moscow/72051716808jsqag.pdfIn PDF document text
- http://reduslim-shopofficial.site/kipegibepawuxetel4ajgc.pdfIn PDF document text
- https://zonujonuwug.weebly.com/uploads/1/3/4/3/134309714/5183574.pdfIn PDF document text
- https://rubitolagaju.weebly.com/uploads/1/3/5/3/135330326/6007398.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://s3.amazonaws.com/dotivaf/chale_aana_pagalworld._io.pdfIn PDF document text
- http://gixiluvigatekij.atwebpages.com/jarufanujaretijiromeged.pdfIn PDF document text
- https://s3.amazonaws.com/gotitibekovi/89395100550.pdfIn PDF document text
- https://s3.amazonaws.com/bupesejirijejus/logitech_mx_anywhere_2_manual.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_off0000ed55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED55 | 5668 bytes |
SHA-256: 900b1baab23323a356d87c5bbf6a23b9925dca77aeaa46557a49e0568200cdf2 |
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font_01_sfnt_off00010091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10091 | 10644 bytes |
SHA-256: 8e89290d88f78f2165d6df808da3c470502596d64663144fb2db774341d02f5f |
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font_02_sfnt_off000124ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124CA | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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