MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm hosted on disposable infrastructure. The embedded URLs, such as 'https://yafferge.ru/wb?keyword=after%20effects%20photo%20animation%20templates%20free', likely lead to phishing or malware download sites. The ML classifier and ClamAV detection further support its malicious nature, indicating it's likely a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/wb?keyword=after%20effects%20photo%20animation%20templates%20free In PDF document text
- https://cdn.sqhk.co/rapurakoke/cUk3jha/43177248964.pdfIn PDF document text
- https://cdn.sqhk.co/dejenuluzew/70yjigf/64752157180.pdfIn PDF document text
- https://cdn.sqhk.co/soxuwutitaw/aI0jjgd/anime_hd_wallpapers_1080p_for_android_phone.pdfIn PDF document text
- https://cdn.sqhk.co/zijikunu/jchbjdX/17177598417.pdfIn PDF document text
- http://momentshop.website/wagiwirudazokz9dt.pdfIn PDF document text
- https://cdn.sqhk.co/bowevuva/ijdribQ/baby_songs_lyrics_english.pdfIn PDF document text
- https://xalitizamer.weebly.com/uploads/1/3/4/8/134863297/dixuribef.pdfIn PDF document text
- https://lodavoxi.weebly.com/uploads/1/3/4/5/134505118/5147254.pdfIn PDF document text
- https://cdn.sqhk.co/zamepeja/fgfhcic/brain_test_2_tricky_stories_game.pdfIn PDF document text
- https://velineninebag.weebly.com/uploads/1/3/4/6/134608195/29d3e.pdfIn PDF document text
- https://vigobekopu.weebly.com/uploads/1/3/2/3/132302998/zodibegav.pdfIn PDF document text
- https://cdn.sqhk.co/pixazizaze/jiRibja/star_trek_timelines_arena_strategy.pdfIn PDF document text
- https://gakewejodum.weebly.com/uploads/1/3/4/9/134902465/1634577.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tarobajasupimi.epizy.com/vetewoledabikorikav.pdfIn PDF document text
- https://s3.amazonaws.com/fumiposamisur/bowamolotameturexe.pdfIn PDF document text
- http://xevivalekivo.epizy.com/free_template_bootstrap_dashboard.pdfIn PDF document text
- https://s3.amazonaws.com/tosevud/radiographic_image_analysis_5th_edition_workbook_answers.pdfIn PDF document text
- https://s3.amazonaws.com/mejigavukolu/cheat_sheet_macbook_pro.pdfIn PDF document text
- https://s3.amazonaws.com/begijufadi/ring_doorbell_setup_guide.pdfIn PDF document text
- http://fazemiwasagi.epizy.com/98768149755.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_off0000f888.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF888 | 5244 bytes |
SHA-256: 785070be126d4824d81958a0fae512dd51ab064ec58194de521327406414334d |
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font_01_sfnt_off00010a3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A3A | 10836 bytes |
SHA-256: 0cbb373b89b8c0d487388a1340ae565ad77fe7dab2ce530367091dc147c763be |
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