MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. ClamAV and ML classifiers identified the file as malicious, specifically a phishing trojan. The presence of numerous external URIs, including one pointing to 'seumenha.ru', suggests the document is designed to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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://seumenha.ru/aws?utm_term=101+panchatantra+stories+in+hindi+pdf PDF link annotation
- https://cdn.sqhk.co/zexetiminav/oTgihe8/shredder_chess_openings_database.pdfIn PDF document text
- https://cdn.sqhk.co/timafewa/ahgZsOR/sad_love_wallpaper_hd_for_mobile.pdfIn PDF document text
- http://lanufutado.22web.org/battle_royale_mod_apk_latest.pdfIn PDF document text
- http://poxijirubulemax.22web.org/platform_bed_frame_king_diy.pdfIn PDF document text
- https://fumimukewagur.weebly.com/uploads/1/3/5/3/135321221/30fb70cff4.pdfIn PDF document text
- https://lebotisoko.weebly.com/uploads/1/3/4/5/134597635/wuxemazipov-pilamomi-jawipavoxexoto.pdfIn PDF document text
- https://lexabefi.weebly.com/uploads/1/3/1/3/131384613/ca2d52dd43465.pdfIn PDF document text
- https://xadidevoki.weebly.com/uploads/1/3/0/8/130873902/butoma.pdfIn PDF document text
- https://lopifonexebifi.weebly.com/uploads/1/3/5/9/135986218/9752031.pdfIn PDF document text
- https://vakurizilobiwil.weebly.com/uploads/1/3/0/9/130969742/5819666.pdfIn PDF document text
- https://patobusogeziwe.weebly.com/uploads/1/3/4/0/134096506/koratoropofu.pdfIn PDF document text
- https://wefejakero.weebly.com/uploads/1/3/0/8/130814310/lodadejofunun.pdfIn PDF document text
- http://bowofonu.22web.org/briggs_and_stratton_16_hp_service_manual.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
- http://tunijerizimajej.epizy.com/how_to_program_a_new_directv_rc66rx_remote.pdfIn PDF document text
- https://s3.amazonaws.com/desenaz/71678400204.pdfIn PDF document text
- https://s3.amazonaws.com/jarirotexab/vs_code_formatting_c.pdfIn PDF document text
- http://jazupizewatabal.epizy.com/iit_roorkee_mba_application_form_2020.pdfIn PDF document text
- https://s3.amazonaws.com/muwemivumazulax/60596469192.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off00011981.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x11981 | 24752 bytes |
SHA-256: c122ac958b0c16b644c6d3c4bc00e83904c04f8231b086790e61a95536ca1926 |
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font_00_sfnt_off0000e4f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F8 | 5096 bytes |
SHA-256: 8289d174a3b6b5446fcb0073909eaf87a54870b1e29d581c86550298452899dc |
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font_01_sfnt_off0000f625.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF625 | 10332 bytes |
SHA-256: d287a32c0ec23cf73b2c7ef1e0c0d9f09db0a0794ddf22c9e57e28397abb878a |
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font_03_sfnt_off000145b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145B6 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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