MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://pelibifir.ru/strik?utm_term=google+sheets+calendar+template+2020 PDF link annotation
- https://todumubisopid.weebly.com/uploads/1/3/5/3/135312552/ee0117c.pdfIn PDF document text
- https://todonuratalojin.weebly.com/uploads/1/3/4/6/134605818/fekugoliwerifaxu.pdfIn PDF document text
- https://mukavotedi.weebly.com/uploads/1/3/1/8/131856112/gobugokasevumaz_pusolonebe_refap_texavafadufuj.pdfIn PDF document text
- https://dujejasafat.weebly.com/uploads/1/3/0/7/130739214/jefeginepaj.pdfIn PDF document text
- https://biziliwedurukax.weebly.com/uploads/1/3/4/8/134889104/zejilob_biwid_kafufotejiziv.pdfIn PDF document text
- https://gokuveseloniku.weebly.com/uploads/1/3/5/3/135309313/xelere_padukasevom_pefebudujimago.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449004/normal_60293bfb6c4ca.pdfIn PDF document text
- https://safupoxex.weebly.com/uploads/1/3/2/6/132683070/4c2f69a82.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474720/normal_5ffa4e7273513.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374710/normal_602ad542dcb44.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405945/normal_6009cef102301.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449627/normal_6011b580ef585.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422161/normal_604c9b064cfa2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477147/normal_603b2b7a9896d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374175/normal_60049dc815b1f.pdfIn PDF document text
- https://vemugalibi.weebly.com/uploads/1/3/4/4/134484787/baliranagodib.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4428331/normal_5ff48a5bb6809.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/nasitevu/93419060476.pdfIn PDF document text
- https://s3.amazonaws.com/jejulurowev/beeruva_telugu_movie_kickass.pdfIn PDF document text
- https://s3.amazonaws.com/metubevozisul/xusugafewalixumekow.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_off0000ede1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE1 | 5792 bytes |
SHA-256: f3391d9bc7ac62fea9cde0c20f0655263b41d4161b8bc29c56214dde87c6d4ae |
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font_01_sfnt_off00010173.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10173 | 10196 bytes |
SHA-256: eda178229dc94fe4ea943d8bbb09cdd45609d910e8b262b8326be23a189bfb37 |
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