MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to disposable hosting and forming a link farm, a common tactic for phishing or malware distribution. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a method used to evade gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://oniceh.ru/pbw?utm_term=physics+for+scientists+and+engineers+9th+solution PDF link annotation
- https://lakaporizad.weebly.com/uploads/1/3/4/2/134234628/5506058.pdfIn PDF document text
- https://gipasutojemozup.weebly.com/uploads/1/3/1/3/131379868/sojuxejiwub_bekudibilesodu.pdfIn PDF document text
- https://mepodatadun.weebly.com/uploads/1/3/1/4/131452799/e67398.pdfIn PDF document text
- https://pozuzabo.weebly.com/uploads/1/3/4/4/134432083/bikibizino_karumigupabip_rumimuvolegek.pdfIn PDF document text
- https://kuwoloxafi.weebly.com/uploads/1/3/0/8/130873903/542729.pdfIn PDF document text
- https://sovinupuni.weebly.com/uploads/1/3/4/7/134762808/9415976.pdfIn PDF document text
- https://jefiwosu.weebly.com/uploads/1/3/1/3/131379536/tunowowizip.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nosiravuga.pbworks.com/w/file/fetch/144796056/how_to_reprogram_roomba_770.pdfIn PDF document text
- http://lomubel.pbworks.com/w/file/fetch/144562059/ratujuvasudiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/951ee556-df3e-4243-8470-7d0c3995b3ba/venuxi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/342cb75f-e2eb-4941-8cf2-b0000ecf8327/19501423797.pdfIn PDF document text
- http://fuzujufod.pbworks.com/f/how_to_fix_a_mini_maglite.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7eec57df-fb32-4302-8912-3d17020b8292/how_to_choose_the_right_size_fishing_hook.pdfIn PDF document text
- http://jabodawo.pbworks.com/f/dd_5e_baldurs_gate_descent_into_avernus_free.pdfIn PDF document text
- http://gabumur.pbworks.com/w/file/fetch/144520542/43265897424.pdfIn PDF document text
- http://gibabug.pbworks.com/f/16893355232.pdfIn PDF document text
- http://ropotupi.pbworks.com/w/file/fetch/144773625/wofalizupoziw.pdfIn PDF document text
- http://sisiwovad.pbworks.com/f/tisixejulisog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7eaac6b4-5239-4f78-86e3-2474836e008b/basogavaz.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_004_off00017baf.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x17BAF | 20184 bytes |
SHA-256: fff3ca3f2c536bbda8f10658642f6f5e0e1378063c1d32b3afaeac02d1caccc9 |
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font_00_sfnt_off000143c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143C1 | 5540 bytes |
SHA-256: e776c1060322faddb0763a8f218c47a5050d9cd63a1d4dc8fe05400318230fad |
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font_01_sfnt_off0001569c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1569C | 10960 bytes |
SHA-256: 1ef6feca4ec1d5ac9b21092c4e343e1930fdc843cb50c1c081272c1b63a9ca1e |
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