MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses brand-impersonation credential phishing. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://pulezigo.weebly.com/uploads/1/3/4/6/134600697/7344588.pdf.
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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://seumenha.ru/aws?utm_term=metro+map+singapore+pdf PDF link annotation
- https://cdn.sqhk.co/lufasawo/rvjdifd/teppen_future_characters.pdfIn PDF document text
- http://freedate18.xyz/fontspace_web_reviewn8vxp.pdfIn PDF document text
- https://cdn.sqhk.co/linaxezo/gjbOfhe/vojoxuzovuxiwemawikoki.pdfIn PDF document text
- https://cdn.sqhk.co/fovuxugo/gjjehdz/japanese_translation_app.pdfIn PDF document text
- https://cdn.sqhk.co/jasamomedam/dhjfie3/vortex_cloud_gaming_review_2020.pdfIn PDF document text
- https://pulezigo.weebly.com/uploads/1/3/4/6/134600697/7344588.pdfIn PDF document text
- https://cdn.sqhk.co/bumogebiz/gdq1Kjg/shudder_movies_best.pdfIn PDF document text
- https://tajagarajoj.weebly.com/uploads/1/3/0/7/130776182/nusodadu.pdfIn PDF document text
- http://soinjaga.ru/tepetelinosazihc5ge.pdfIn PDF document text
- https://cdn.sqhk.co/woxekivepi/ibYgeEA/77979971573.pdfIn PDF document text
- https://cdn.sqhk.co/rotuzuwibi/eiggeuE/nipewovunejoramibon.pdfIn PDF document text
- http://tesar-krd.ru/this_i_believe_essay_guidelinesg2wn7.pdfIn PDF document text
- http://usejus.club/rakarubawaredisfh3n.pdfIn PDF document text
- http://trokot-online.xyz/cydia_free_ios_12._1._4r272e.pdfIn PDF document text
- http://natikolom.site/cabela_s_big_game_hunter_downloadzket9.pdfIn PDF document text
- https://soxapibojewaw.weebly.com/uploads/1/3/5/3/135345372/1806540.pdfIn PDF document text
- https://wukelefitifaka.weebly.com/uploads/1/3/4/8/134882985/pamufuloguluno.pdfIn PDF document text
- https://cdn.sqhk.co/fowijuseziju/jhIjjac/motogp_racing_2018_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/xurazegoba/ghjb0bL/2019853900.pdfIn PDF document text
- https://cdn.sqhk.co/badaxiloru/gcJM9ja/foosball_cup_world.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00021a8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21A8D | 14708 bytes |
SHA-256: f3b4a10dc8c2f487823f268d0988d2b80762a2b2d778554e0e8b54d7cbad7d44 |
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font_01_sfnt_off000249dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x249DD | 5336 bytes |
SHA-256: 0f76fa1031d657bcb5e17f7f21eec02afaa2e1f113057e91738271248b32e21d |
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font_02_sfnt_off00025bf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25BF2 | 4652 bytes |
SHA-256: 286feecd6e17ca5466db6a2347cf7f261533e07ecae891d2f32ddce020d25456 |
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font_03_sfnt_off00026b8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x26B8D | 12444 bytes |
SHA-256: 945da9bac5e315391a758cd2641660b5aed6caf5f21729905b3ba7c7bd977cd4 |
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