MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan attempt. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to audiobooks, aiming to trick users into clicking the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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=wyrd+sisters+audiobook+unabridged PDF link annotation
- http://health-top.ru/problemas_de_porcentajes_resueltos_1_esoqsbek.pdfIn PDF document text
- https://cdn.sqhk.co/tamejenonisi/hhcjdia/88224884701.pdfIn PDF document text
- https://cdn.sqhk.co/mujawiru/ghjg3Sn/afterburner_oc_scanner_missing.pdfIn PDF document text
- https://cdn.sqhk.co/lubometusoz/BI5NggD/japotidilibegamizejutas.pdfIn PDF document text
- http://twirlini.com/vulolevudowatamikovupeba7p0oe.pdfIn PDF document text
- http://kijekidajefi.getenjoyment.net/35408751553.pdfIn PDF document text
- https://ludiwutigavas.weebly.com/uploads/1/3/4/6/134697468/85816671a45.pdfIn PDF document text
- https://cdn.sqhk.co/zaviresodew/gjaj8ZC/evil_nun_scary_horror_game_adventure_online.pdfIn PDF document text
- https://cdn.sqhk.co/jalizovi/RhfhhuM/beard_trimmer_with_vacuum_target.pdfIn PDF document text
- https://wozukepob.weebly.com/uploads/1/3/4/0/134017809/1190248.pdfIn PDF document text
- https://cdn.sqhk.co/zigotimuti/cSMgfhd/nonigojoworaso.pdfIn PDF document text
- https://cdn.sqhk.co/ziveluki/hqjgpid/tisupavenatelamibo.pdfIn PDF document text
- http://tameeniraq.com/rewuvepaxojibotis71psq.pdfIn PDF document text
- https://zinenefubodejig.weebly.com/uploads/1/3/4/3/134338026/5289134.pdfIn PDF document text
- http://healsmall.space/95664232434qya7l.pdfIn PDF document text
- https://cdn.sqhk.co/bipokagiti/yjcmowv/after_effects_birthday_slideshow_template.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://s3.amazonaws.com/nefomojuwet/movie_er_app_for_laptop.pdfIn PDF document text
- http://dawejur.atwebpages.com/59584108663.pdfIn PDF document text
- https://s3.amazonaws.com/legapatatezisa/choose_file_android_studio.pdfIn PDF document text
- https://s3.amazonaws.com/fizaxo/hemisphere_map_worksheet.pdfIn PDF document text
- http://zutugidod.onlinewebshop.net/54287847160.pdfIn PDF document text
- https://s3.amazonaws.com/farowug/p5_futaba_palace_guide.pdfIn PDF document text
- https://s3.amazonaws.com/dexodekelaseki/53873587183.pdfIn PDF document text
- http://bekusisit.atwebpages.com/libro_fundamentos_de_investigacin_en_psicologa.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016c41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16C41 | 5160 bytes |
SHA-256: 4b18b652912f3fd5f5394c245252884632b60c6bec33a24c36e292d28605c598 |
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font_01_sfnt_off00017df1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17DF1 | 15324 bytes |
SHA-256: 806841130b9771fe85cdecce50728123492f712ecaa5b624cb2eeee3d00ad61a |
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font_02_sfnt_off0001ae0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AE0D | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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