MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The primary URL observed is https://crysiq.ru/pbw?utm_term=fire+red+u+rom, which is likely part of the lure. No scripts were extracted, but the structure and URL patterns strongly indicate a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://crysiq.ru/pbw?utm_term=fire+red+u+rom PDF link annotation
- https://static.s123-cdn-static.com/uploads/4382948/normal_5ff77ff7c8ba0.pdfIn PDF document text
- https://kuvolobogon.weebly.com/uploads/1/3/4/0/134012650/e22a94270f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423442/normal_603d0b57d7602.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391302/normal_5ffd3ade61ad6.pdfIn PDF document text
- https://juwopivevonu.weebly.com/uploads/1/3/4/6/134682880/7874369.pdfIn PDF document text
- https://metenesepagozo.weebly.com/uploads/1/3/4/7/134710396/kazexa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4461205/normal_5ff54b33e3770.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458132/normal_606058c693220.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410217/normal_5ffd3f40ee058.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484812/normal_5fd0903949c17.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417648/normal_5fd96aa65a956.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380707/normal_5fefdd28726f1.pdfIn PDF document text
- https://tibirodemoxojuf.weebly.com/uploads/1/3/4/3/134336787/eff397f3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369926/normal_60203615e385e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424982/normal_60554ba399776.pdfIn PDF document text
- https://wamogipoko.weebly.com/uploads/1/3/0/7/130739383/kazemiz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470040/normal_5ff8496c7b862.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393632/normal_6064bf115d72a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385869/normal_606373614a948.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388427/normal_6011320010d08.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389570/normal_600b454fa7637.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380522/normal_6021273af1b56.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
- http://najajadux.pbworks.com/f/xotuniwow.pdfIn PDF document text
- http://dipazuwawex.pbworks.com/f/79670267681.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_off0000e592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE592 | 4204 bytes |
SHA-256: e970f4660cc6408efa80867e31a2d53793d3398558118158859bd76f23281c24 |
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font_01_sfnt_off0000f3c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C5 | 10972 bytes |
SHA-256: 2c4db2969a15eba8bc0d47b3e514b6748cd1fc44296833b8185a593d358c7710 |
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font_02_sfnt_off0001191f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1191F | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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