MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. The file functions as a link farm, containing numerous external URIs pointing to various PDF documents hosted on disposable domains, likely for SEO manipulation or traffic generation. The primary malicious URL identified is https://nipisod.ru/123?utm_term=free+beats+audio+software.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://nipisod.ru/123?utm_term=free+beats+audio+software PDF link annotation
- https://gagakulusete.weebly.com/uploads/1/3/5/3/135326625/3545479.pdfIn PDF document text
- https://zawasofolebu.weebly.com/uploads/1/3/4/9/134902788/6377718.pdfIn PDF document text
- https://notususapi.weebly.com/uploads/1/3/4/0/134012365/nagigijogubulox.pdfIn PDF document text
- https://digonowokeke.weebly.com/uploads/1/3/1/8/131856318/8887658.pdfIn PDF document text
- https://finijigif.weebly.com/uploads/1/3/2/6/132681422/b35bfb8aeb4408.pdfIn PDF document text
- https://vizokajobekaxa.weebly.com/uploads/1/3/0/9/130969885/sadap-rebagorita-detiv.pdfIn PDF document text
- http://rbqjkwklnd.xyz/bivagamikemonesaluxazilnds29.pdfIn PDF document text
- http://yesnutural.space/possessivartikel_deutschz8j0v.pdfIn PDF document text
- http://eushopvmn.site/what_to_do_when_your_fire_stick_remote_does_not_workixwmu.pdfIn PDF document text
- http://bitcoins-profits.com/neridixegareguxibo7jy9x.pdfIn PDF document text
- http://powerpoint4you.ru/chemistry_demystified_free_downloadm1bg6.pdfIn PDF document text
- http://roburupagosode.iblogger.org/zakevo.pdfIn PDF document text
- https://rowiteruna.weebly.com/uploads/1/3/4/4/134470704/b3175e1ffeb8a.pdfIn PDF document text
- http://alphabitx.com/63643221303m9osj.pdfIn PDF document text
- http://milanomoda-italy.website/4396972058036la3.pdfIn PDF document text
- https://labopepiw.weebly.com/uploads/1/3/4/7/134747507/lofojapakov.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b62f19ea-a157-4b6f-8338-91a1c2c4e92e/what_are_good_spanish_girl_names.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db3fc8a7-ddd3-41e3-93df-f06892061168/hoover_vacuum_replace_belt.pdfIn PDF document text
- http://lebevinawefebo.rf.gd/acceptable_forms_of_id_for_i9.pdfIn PDF document text
- http://gijawiravutul.epizy.com/tuwelepuzujudugatadabikiz.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e811.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE811 | 5056 bytes |
SHA-256: 5842c19f50fe4c7a5b129d9303b0dce9fd0a69471e8e32a82d8aba5cf9268c94 |
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font_01_sfnt_off0000f962.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF962 | 10516 bytes |
SHA-256: ca8ebfecb60e613a81ed83260498d3598f6ed1fa856ea65c158bbf165df71803 |
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