MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicative of a link farm designed to redirect users to malicious content. Heuristics like PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://maypoin.ru/award?keyword=electrical+engineering+salary+2020 PDF link annotation
- http://ru-en.xyz/vatudadejo08t31.pdfIn PDF document text
- https://cdn.sqhk.co/lilanoto/6Igdifo/carnivores_dinosaur_hunter_reborn_pc_game_2015.pdfIn PDF document text
- https://cdn.sqhk.co/vakolitakap/ghyEbdj/dufowejifem.pdfIn PDF document text
- https://cdn.sqhk.co/vedanoderifu/dRhiujc/blue_cross_blue_shield_login_alabama.pdfIn PDF document text
- http://hookup681.site/47984337974b98p2.pdfIn PDF document text
- https://cdn.sqhk.co/bisuligiga/RThibhn/mifap.pdfIn PDF document text
- https://lovebaxubifutu.weebly.com/uploads/1/3/4/3/134322000/ce1406eebe8f140.pdfIn PDF document text
- https://bonuwokepav.weebly.com/uploads/1/3/4/5/134592975/f62b40be9337.pdfIn PDF document text
- https://cdn.sqhk.co/dagozuwemep/cSYIxGG/75391144563.pdfIn PDF document text
- https://cdn.sqhk.co/lukulobu/ickidje/download_bubble_shooter_hacked_version.pdfIn PDF document text
- https://cdn.sqhk.co/regisanozoxo/i4cjh9R/jogo_catch_the_candy_halloween.pdfIn PDF document text
- https://cdn.sqhk.co/zefipuvuwifi/gh4ij8M/war_of_kings_board_game.pdfIn PDF document text
- https://cdn.sqhk.co/sunalikefazo/NGicSBI/60482798003.pdfIn PDF document text
- https://cdn.sqhk.co/lozosasuxe/ifqFSzj/851831006.pdfIn PDF document text
- https://cdn.sqhk.co/bikulatitaxe/chbhikm/virgin_pulse_app.pdfIn PDF document text
- https://cdn.sqhk.co/xafogatok/j84wXIa/10_billion_wives_cheats.pdfIn PDF document text
- https://pulezigo.weebly.com/uploads/1/3/4/6/134600697/vefukumafera.pdfIn PDF document text
- https://cdn.sqhk.co/gatuwaven/GijVlia/xewodoxawowunopusir.pdfIn PDF document text
- http://mx50off.info/examples_of_bloodborne_pathogens_engineering_controlsfxj57.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://uploads.strikinglycdn.com/files/770921e4-9fd3-46a7-8d58-8fe49d2dac42/la_estructura_del_texto_informativo_es.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8623eb33-ddcd-420d-bd1e-73ebbc9e25a3/does_ikea_sell_replacement_screws.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d1effd06-edd2-48f4-998f-9220c2f86ce9/what_size_battery_for_a_craftsman_riding_mower.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_off0000e614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE614 | 4980 bytes |
SHA-256: d71aa4757960d93aa73a54352f8c8f5eba7bf293e3a1004f6bae149611101b8d |
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font_01_sfnt_off0000f707.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF707 | 10444 bytes |
SHA-256: 3d8c4382e2750f888f4a52c0bd798fe5107b148ae228098e4838d304c4e9fc55 |
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font_02_sfnt_off00011a9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A9F | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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