MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm with numerous external links, including one pointing to 'pelibifir.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, contains keywords related to software downloads, suggesting a lure for users seeking specific applications.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://pelibifir.ru/strik?utm_term=cisco+vpn+client+for+windows+10+32+bit+free+download PDF link annotation
- https://nurerimufiwovu.weebly.com/uploads/1/3/4/3/134394752/rajekulekisuj_supizedixuzuke_bajewesan_lalos.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409425/normal_6045e7f7c5987.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4372382/normal_5ff9ea7f1f788.pdfIn PDF document text
- https://jopegivev.weebly.com/uploads/1/3/4/2/134234712/vogulopeta.pdfIn PDF document text
- https://jizawabule.weebly.com/uploads/1/3/5/9/135966138/gekime.pdfIn PDF document text
- https://jajamavufivaz.weebly.com/uploads/1/3/4/2/134235884/dovaraluv.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385410/normal_600552fdcfcaa.pdfIn PDF document text
- https://nosokubidudat.weebly.com/uploads/1/3/4/3/134321305/ranusibetewaguv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478950/normal_6046933b0429e.pdfIn PDF document text
- https://nagofojog.weebly.com/uploads/1/3/4/5/134586362/welufawi.pdfIn PDF document text
- https://buwofapakudo.weebly.com/uploads/1/3/5/3/135316190/dexivegegirewojo.pdfIn PDF document text
- https://rizomoxus.weebly.com/uploads/1/3/4/5/134589692/8b5706.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/319074d0-dcb1-423e-9017-bfd445f9a8d2/fujitsu_scansnap_ix500_scanner_refurbished.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a64e4387-26b0-4b34-ba1c-1cf6c9631610/how_to_work_as_a_certified_nutrition_specialist.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eba69fb1-2aa0-4a0c-86b5-a4ab4a07fc18/fire_and_ice_movie_the_dragon_chronicles.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d613d56-b7d4-4b85-b92a-4ed726a0971f/is_niagara_falls_casino_open_now.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/979ba6d6-cb0a-4576-a2bf-8400106f0fe9/wildgame_innovations_wraith_16_lightsout_trail_camera_2-pack.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ad14ae7-30f3-409c-8b71-44f570559daa/kotogiloxemapag.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/46c55c07-69fd-47ff-8805-c1756d4b6f86/how_much_is_a_heat_and_glo_fireplace.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d820474-f683-4077-82fa-fb1c5b07a7b3/wadol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d44c73ce-e441-43a8-a795-d5568c368b3e/jejewufunudejo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be7e73ac-00e0-4bd7-978b-6b681c50eb0d/marovugafola.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/96b90b5b-a17b-406d-bfb2-665c1740f827/33305272239.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f8f29fe1-9959-4c4f-ae87-ae115ce6953b/ejercicios_operaciones_combinadas_con_fracciones_3o_eso.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_off0000f5fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5FD | 5836 bytes |
SHA-256: 8384a3ec93dd8cec8af5485ad4982e49aecbc57df8bd85d53637bfacd22e28db |
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font_01_sfnt_off000109fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109FC | 10620 bytes |
SHA-256: 6e66d11ffe2d2ad18c829974f94a2294f9db98135eaa642bbd1fe5eb01690f32 |
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