MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it functions as a link farm and a callback phishing lure. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and 'Qt', suggesting it was generated by a tool rather than being a legitimate document. The presence of embedded URLs and the link farm heuristic point towards an attempt to redirect users to malicious sites or services.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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/wb?keyword=ryobi%2018v%20battery%20charger%20lights PDF link annotation
- https://cdn.sqhk.co/rodofusavivi/gqUje1q/don_t_touch_my_phone_app_free_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470380/normal_603de0f0cc60c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446494/normal_5ff7aa812abf3.pdfIn PDF document text
- https://cdn.sqhk.co/goberirud/jjT0gjh/x-_shot_excel_regenerator_blaster_by_zuru_white.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403283/normal_6009f0b4219ff.pdfIn PDF document text
- https://cdn.sqhk.co/balekunu/jpha4je/pirates_part_2_3_4_players.pdfIn PDF document text
- http://pokypka.xyz/ruvufugokufimu4ud0e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417645/normal_602c3a54db86d.pdfIn PDF document text
- http://edayafar.xyz/gazebo_assembly_instructionsdig8l.pdfIn PDF document text
- https://cdn.sqhk.co/lajawawinu/iQyge17/malayalam_sad_whatsapp_status_video_free_download.pdfIn PDF document text
- http://jarevine.mywebcommunity.org/wuvikazek.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417808/normal_5fef911b2006d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://52f9d6e5-2fd5-4906-a030-4d12f703b62a.filesusr.com/ugd/297ecd_559880fee2984c599068784ed9430dec.pdf?index=trueIn PDF document text
- https://5984e891-aecd-43e6-866f-efdb297c9c35.filesusr.com/ugd/403565_1db51870727d48a9b0e863daeeb14b9c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6534dcb7-2b11-4c29-af7d-a348e6ed7e6b/cuantos_metros_es_una_tarea_de_tierra.pdfIn PDF document text
- http://widepidaba.atwebpages.com/briggs_and_stratton_vanguard_23_hp_horizontal_engine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5dd56416-cf08-46dc-b00b-c897e57624f9/como_hacer_un_panel_solar_casero_con_materiales_reciclados.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/628f006d-1c30-49f8-97ae-93b6243fd407/what_does_romeo_tell_the_nurse_to_get_for_their_wedding_night.pdfIn PDF document text
- http://forezepolutaju.onlinewebshop.net/68680583468.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e0be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0BE | 5616 bytes |
SHA-256: 8c2737b9453b5ba4656480dcc4061563e3edd5487ded1d6449f2d9c0b06fb54d |
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font_01_sfnt_off0000f3ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3EF | 10384 bytes |
SHA-256: bfa265103c4a854e08bbd01d83b9dea810438d0b9514bf6d2761313b624b6b69 |
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