MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm designed to redirect users to potentially malicious websites, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The embedded URL 'https://nipisod.ru/strik?utm_term=photoshop+cs5+crack+32+bit+download' suggests a lure for cracked software. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://nipisod.ru/strik?utm_term=photoshop+cs5+crack+32+bit+download PDF link annotation
- https://joriwonakogilul.weebly.com/uploads/1/3/5/3/135305945/9949262.pdfIn PDF document text
- https://dilazewinu.weebly.com/uploads/1/3/0/9/130969594/2996620.pdfIn PDF document text
- https://cdn.sqhk.co/tobijoge/Eibhegf/55357331910.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372972/normal_604cdccdd432d.pdfIn PDF document text
- https://vozozexofevufut.weebly.com/uploads/1/3/1/8/131871902/32400b07d8eb4bf.pdfIn PDF document text
- https://widijozitumude.weebly.com/uploads/1/3/4/6/134688085/kuxupus-remidapateluteg-giloxivubo.pdfIn PDF document text
- https://zupelewelasilag.weebly.com/uploads/1/3/4/5/134594614/gepamaruk_tuwivapofebo_xojigo_jinosutajox.pdfIn PDF document text
- https://cdn.sqhk.co/zexetiminav/pibgjKl/33227977422.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454682/normal_6019a11fa3c80.pdfIn PDF document text
- https://wekexobesunolo.weebly.com/uploads/1/3/0/7/130739288/xigusad.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417214/normal_5fe0cfccb0001.pdfIn PDF document text
- https://cdn.sqhk.co/numovasovev/jbJgfUD/rovedomizabadow.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494673/normal_60283e07988c1.pdfIn PDF document text
- https://cdn.sqhk.co/bokirebi/9jgeyii/kajusorepilede.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418574/normal_5fdd7c18b6e5c.pdfIn PDF document text
- https://dexovepiniputo.weebly.com/uploads/1/3/4/4/134400909/5608d0966f8fd.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://7d7e9a41-1eea-4c72-a0b8-c0e3d642de37.filesusr.com/ugd/513cfa_2bdf3cbc60194d5b8d809de1b5309ed9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bezegoluzose/vujapabavofawajuvinigod.pdfIn PDF document text
- https://320f262d-053d-461a-9009-498fa3b044f5.filesusr.com/ugd/8e680a_88377c7bf0f849fa8a7788bc7d5bd15e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tizowodifi/beethoven_sonata_15_sheet_music.pdfIn PDF document text
- https://348ddb29-83e1-4812-94a1-743b72ef9b42.filesusr.com/ugd/23b571_25e54bb6e91d43d6be3577eacb0eca65.pdf?index=trueIn 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_off00010032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10032 | 5880 bytes |
SHA-256: fe7e2362052d23f35fd3c1eaf92d055b06470390fd1db9bdfb16880fd17f47e0 |
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font_01_sfnt_off0001143d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1143D | 11352 bytes |
SHA-256: bd6562839052988b8e163199e36de88391d4a3d9a877bcc5a44a2bacd342679a |
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