MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ML classifier and ClamAV also flagged this file as malicious, specifically as a phishing trojan. The primary function appears to be redirecting users to a multitude of external URLs, some of which are hosted on disposable domains, suggesting a tactic to distribute malicious content or engage in SEO spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://baarspo.ru/strik?utm_term=the+ellipsis+for+omitting+text PDF link annotation
- https://binolopokam.weebly.com/uploads/1/3/1/4/131484395/sagoke-xipegok-mujimedeno.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373004/normal_6021aa85b10b5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451561/normal_5ff6676696b44.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369518/normal_60319bd6da445.pdfIn PDF document text
- http://nageramuvepom.mywebcommunity.org/sole_fitness_e35_elliptical_machine_sale.pdfIn PDF document text
- https://volixezutepa.weebly.com/uploads/1/3/4/1/134131916/4145682.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424672/normal_60244a1f0e6a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486963/normal_601e3c11d7621.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427781/normal_6014ffa4a96cb.pdfIn PDF document text
- http://vojupobakovax.iblogger.org/spotify_premium_apk_pc_windows_10.pdfIn PDF document text
- https://valiwuvubeke.weebly.com/uploads/1/3/4/6/134694219/8505255.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485442/normal_601860b993e57.pdfIn PDF document text
- http://fozujam.iblogger.org/sebibuzuduvopupefu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476930/normal_6038e7ca5340e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367019/normal_6010eea13a86f.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/jexijer/labowizodijijasobusog.pdfIn PDF document text
- https://s3.amazonaws.com/pevuwarobuvowa/sugaratufodagagotol.pdfIn PDF document text
- http://satimizatojuge.rf.gd/pezot.pdfIn PDF document text
- http://wafovon.epizy.com/minority_report_2002_phim.pdfIn PDF document text
- https://s3.amazonaws.com/rimepusox/96714438723.pdfIn PDF document text
- https://s3.amazonaws.com/resabomibogodaw/wilko_gloss_spray_paint_safety_data_sheet.pdfIn PDF document text
- https://s3.amazonaws.com/muvojugejoxip/vishnu_sahasranamam_lyrics_prapatti.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_off0000e249.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE249 | 5120 bytes |
SHA-256: 24991db6afcc7a448acaf90a6b85fa9fc762355a638f15cb39c602b34b6de4d8 |
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font_01_sfnt_off0000f397.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF397 | 10488 bytes |
SHA-256: b53701730b448e41f1f913128936c3d253a27fb7ffae51e86daf4966155891b0 |
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