MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating malicious intent. The presence of numerous external URIs and its classification as a link farm on disposable hosting strongly suggests a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains metadata related to its creation, but no direct user-facing text was clearly extracted to infer a specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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 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/123?utm_term=sligh+grandfather+clock+key PDF link annotation
- https://rolurenogilu.weebly.com/uploads/1/3/4/0/134096536/papimorajanox.pdfIn PDF document text
- http://bonboxstudio.com/gepazuponemogkm69x.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381297/normal_5fccfccf2bdae.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482406/normal_5fe1b5562b87d.pdfIn PDF document text
- http://smartbright.club/fabizebefapgnlc.pdfIn PDF document text
- http://cookwellbakewell.com/terenumufeningyjoq.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393356/normal_603533ee61405.pdfIn PDF document text
- https://ritajixudigozik.weebly.com/uploads/1/3/5/3/135345652/5467842.pdfIn PDF document text
- https://gukikaxut.weebly.com/uploads/1/3/0/7/130775725/72d4e7087cd5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382619/normal_5ffc491290de8.pdfIn PDF document text
- http://alkim.xyz/369663866884d1jt.pdfIn PDF document text
- http://2022god.com/cryptopia_exchange_app_android035ut.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://6d4cd3b7-91e9-43ac-92b9-205473f1e50d.filesusr.com/ugd/28146e_66924b8836724cfd9acc25dabfd36d29.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1cf3cba2-f6a9-4e04-9c1b-6b3f7226809a/what_are_the_three_largest_rivers_in_north_america.pdfIn PDF document text
- https://s3.amazonaws.com/juvetaso/bang_bang_hd_video_song_videoming.pdfIn PDF document text
- https://97d49ff2-d914-4ae4-8ac8-5e5cf5f77cad.filesusr.com/ugd/6350c7_475acfb3dfe1425b81578fcda8d94d5f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wivunonovef/98999172497.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d57e21b1-8a0e-4cb0-bcb9-52f0449acf0d/walgreens_homedics_blood_pressure_monitor_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df33587e-257f-4f53-84b6-9372a7ff7bbd/27114227267.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ee52eed-3d9b-4cc8-ad08-2e417f622942/what_is_the_payment_code_for_revenu_quebec.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a7ad819-1d3b-4e63-accd-c305383c3055/combahee_river_collective_a_black_feminist_statement_citation.pdfIn PDF document text
- https://cd753cf5-d90a-4073-9c55-931a76e81761.filesusr.com/ugd/8826df_747ee1c72e8149b8b31093992b5b906b.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E6 | 5164 bytes |
SHA-256: 4c3e54cf7f9cdfead2004bebfc7caeb5c3b9bebffe11fecc6952ea12130d2d47 |
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font_01_sfnt_off0000f560.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF560 | 10532 bytes |
SHA-256: 885733b44301e9596b847735da35b6f17d07bc5d257a7b38a6b192ef901e6d33 |
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font_02_sfnt_off00011966.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11966 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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