MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many of which point to disposable hosting services, indicating a link farm designed to redirect users. The primary external URI found is 'https://pelibifir.ru/wb?keyword=how%20to%20descale%20my%20keurig%20machine', suggesting a lure related to appliance maintenance. While no scripts were explicitly extracted, the heuristic firings and the nature of the embedded links strongly suggest this PDF is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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/wb?keyword=how%20to%20descale%20my%20keurig%20machine PDF link annotation
- https://static.s123-cdn-static.com/uploads/4482207/normal_5fedf83234afd.pdfIn PDF document text
- https://fukenotaza.weebly.com/uploads/1/3/2/7/132740373/9361914.pdfIn PDF document text
- https://getenulezawo.weebly.com/uploads/1/3/4/8/134897364/gokukokerubel.pdfIn PDF document text
- https://fidunisowasewi.weebly.com/uploads/1/3/4/5/134599354/ce2c262bb.pdfIn PDF document text
- https://cdn.sqhk.co/kixalixu/jcg0ii0/rogue_color_echo_bumper_plates_review.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447097/normal_5fdae1437c33b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401538/normal_601495a8e4627.pdfIn PDF document text
- https://lukibufipijuzom.weebly.com/uploads/1/3/3/9/133997252/5837780.pdfIn PDF document text
- https://cdn.sqhk.co/tatonabufule/mvhcHR4/download_game_gta_liberty_city_stories_mod_apk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476152/normal_5ff82e24d7015.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375199/normal_6042dba264362.pdfIn PDF document text
- https://ratopavitakam.weebly.com/uploads/1/3/4/4/134460251/xukanosemomof.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409798/normal_5fc7ec242a7f0.pdfIn PDF document text
- https://cdn.sqhk.co/femelofep/C8gjFhh/70595796611.pdfIn PDF document text
- https://cdn.sqhk.co/tekunipifob/t99iaid/12474760219.pdfIn PDF document text
- https://mutakisutuw.weebly.com/uploads/1/3/4/7/134768563/godopijokomipel_jizetoso_ronubunoma.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494432/normal_5feb7f5f4909a.pdfIn PDF document text
- https://nojabepeteguki.weebly.com/uploads/1/3/4/6/134669956/e141cb42ada.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/57badb3e-91fe-43a2-a6e4-40078a46ae9e/52190088368.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aac37e87-f2d1-45b5-b25d-5f5943fd7f64/seth_material_free.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_off0000f2bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2BB | 5572 bytes |
SHA-256: f7d28603f2f5cae8a90ad496fb0226ce3dba6da6bb6d7169fb09de92eff7175c |
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font_01_sfnt_off00010596.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10596 | 10940 bytes |
SHA-256: c9ca426ac19f444a7f36821ef75e1f64861d5ace6a23b2ec27dadb356fc3de2b |
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