MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple critical heuristics as a malicious redirector and SEO link farm. It contains numerous embedded URLs pointing to potentially malicious infrastructure, including `https://yafferge.ru/123?utm_term=uzi+airsoft+gun+cabela%2527s`. The document body is heavily obfuscated, but the presence of link farms suggests an attempt to drive traffic to malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/123?utm_term=uzi+airsoft+gun+cabela%2527s In PDF document text
- https://cdn.sqhk.co/feketukadoz/RhiBhjn/sifalogad.pdfIn PDF document text
- http://formblckr1.xyz/14888438757rv9aa.pdfIn PDF document text
- https://dutilugamon.weebly.com/uploads/1/3/5/3/135301630/vevixipizisusa-nolowijelusi-nivekokode.pdfIn PDF document text
- https://cdn.sqhk.co/wivenute/djbidjh/afx_slot_cars_for_sale_near_me.pdfIn PDF document text
- https://tibiwoxot.weebly.com/uploads/1/3/4/8/134881218/6719796.pdfIn PDF document text
- http://chestlune.online/528275525456z5ql.pdfIn PDF document text
- https://cdn.sqhk.co/linotepibubi/hhggcgc/adrien_calls_marinette_princess_fanfiction.pdfIn PDF document text
- https://bunozejat.weebly.com/uploads/1/3/4/3/134387809/wuvebuz-zugela-wakifig-najup.pdfIn PDF document text
- http://sokolov.fun/14487050835s8rk3.pdfIn PDF document text
- https://cdn.sqhk.co/suwapipejob/xjgfgfl/91262479943.pdfIn PDF document text
- https://cdn.sqhk.co/gesokusa/DhejbDH/xedozawev.pdfIn PDF document text
- http://fullcreditreport.info/birovopedinidivigigakj9v.pdfIn PDF document text
- https://cdn.sqhk.co/josurowelimu/jjih4hi/72347961099.pdfIn PDF document text
- https://kutemipemowu.weebly.com/uploads/1/3/4/8/134860595/75bdd76c361c5e.pdfIn PDF document text
- http://okrasote.info/hatchet_chapter_questionspaixg.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://butaxogusevi.epizy.com/rinolidade.pdfIn PDF document text
- http://mezezix.rf.gd/love_stickers_free.pdfIn PDF document text
- http://fenulujexita.epizy.com/9534514596.pdfIn PDF document text
- http://pokukalaso.rf.gd/12593318470.pdfIn PDF document text
- http://gerireg.epizy.com/aashiyana_mera_song_female_version.pdfIn PDF document text
- http://juvejuvikanu.epizy.com/xifasafafafuzun.pdfIn PDF document text
- http://sokurunofizune.rf.gd/wesawomikuwudufunokafes.pdfIn PDF document text
- http://pazokidewuwi.rf.gd/57010557441.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_off000147e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147E1 | 3880 bytes |
SHA-256: 15eb280e713e516488c415a63549aabcb4cca21b7fda305dc736aa0872f40005 |
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font_01_sfnt_off000155a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155A5 | 5264 bytes |
SHA-256: 3a7715e2365fdecc5ba61f7a453e8e15a4cc01730171802cb9ed1376ae582f0c |
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font_02_sfnt_off000167b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x167B5 | 12376 bytes |
SHA-256: c522aead4451db26dc0fb2e4035ae51d37fa1a40b23d685659a1618c2b0b13c4 |
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