MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. One of the primary external URIs points to 'synerhu.ru', suggesting a potential phishing or malicious content distribution vector. The ClamAV detection and ML classifier further support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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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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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://synerhu.ru/pbw?utm_term=ring+ring+ringtone+download
- https://static.s123-cdn-static-d.com/uploads/4370542/normal_60b3b8b16f135.pdf
- https://static.s123-cdn-static.com/uploads/4368477/normal_5ff165c968941.pdf
- https://cdn-cms.f-static.net/uploads/4379969/normal_601b27dfefaaa.pdf
- https://cdn-cms.f-static.net/uploads/4420432/normal_60bebe4f87719.pdf
- https://static.s123-cdn-static.com/uploads/4502268/normal_5fe3823d66150.pdf
- https://cdn-cms.f-static.net/uploads/4409840/normal_601cfe795649a.pdf
- https://cdn-cms.f-static.net/uploads/4369491/normal_5fd6c82dea6bb.pdf
- https://cdn-cms.f-static.net/uploads/4470228/normal_600af0d903348.pdf
- https://cdn-cms.f-static.net/uploads/4447626/normal_605ad57a99a8b.pdf
- https://tefuledajejus.weebly.com/uploads/1/3/1/4/131437322/gilosuzabax.pdf
- https://static.s123-cdn-static-d.com/uploads/4425515/normal_60b02ea9ccb15.pdf
- https://sotokogel.weebly.com/uploads/1/3/4/2/134266154/luvemu.pdf
- https://cdn-cms.f-static.net/uploads/4478968/normal_6049c70ba490a.pdf
- https://cdn-cms.f-static.net/uploads/4450046/normal_60bf696da3537.pdf
- https://cdn-cms.f-static.net/uploads/4369917/normal_601ef066d09f5.pdf
- https://cdn-cms.f-static.net/uploads/4471479/normal_602e095f22326.pdf
- https://lefagetali.weebly.com/uploads/1/3/2/3/132302894/lamivave.pdf
- https://wekubobezug.weebly.com/uploads/1/3/1/3/131383536/1acfda87.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://bogomosimu.pbworks.com/f/tojelumozusanitemebafikeg.pdf
- https://uploads.strikinglycdn.com/files/02a11c9a-cce1-4fea-a8ad-b34dbef45fa0/kaplan_anatomy_coloring_book_5th_edition.pdf
- https://uploads.strikinglycdn.com/files/4bbc0af3-bd8e-4ca1-a538-a15c50e9b875/pidifogojokikir.pdf
- https://uploads.strikinglycdn.com/files/96f82094-2f2e-4331-aa45-54419ca5ae31/28022881791.pdf
- http://goxuluk.pbworks.com/w/file/fetch/145125591/felebewesigino.pdf
- https://uploads.strikinglycdn.com/files/e0a875fd-0a8a-4b65-89d8-9e8aa85e74d6/fedex_customer_service_jobs_memphis_tn.pdf
- http://namebitepu.pbworks.com/w/file/fetch/145045950/icloud_unlock_deluxe_free_download_full_version.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f2cd.bind57ae524f1e73053216465b165aa9dda28e63446c3e666b39bc16f79345aaa37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CD | 4916 bytes |
font_01_sfnt_off000103aa.bin728e618444643c6a18b21a5600485a5256e7983f0b13f2068cdf6d36bf6e2392 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103AA | 10616 bytes |
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