MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, with one specifically pointing to 'golowaki.ru' and flagged as an external URI. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for link farms, suggesting a malicious intent to obscure the true destination. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious classification. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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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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://golowaki.ru/award?keyword=how+to+write+loops+in+pseudocode PDF link annotation
- https://cdn-cms.f-static.net/uploads/4413587/normal_5fd27733e1d8c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385216/normal_6029cc6ac151f.pdfIn PDF document text
- http://vipimuxatomefi.medianewsonline.com/96978146583.pdfIn PDF document text
- http://xagakojitogiva.getenjoyment.net/philosophy_of_science_education.pdfIn PDF document text
- http://ninuxalezopo.getenjoyment.net/how_to_find_the_half_life_of_a_first_order_reaction.pdfIn PDF document text
- http://posurazatux.mypressonline.com/how_long_does_a_solar_g_shock_last.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376878/normal_600078d463b68.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375531/normal_60327edc92834.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445866/normal_5fc6532d64e69.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471256/normal_6030a56c56922.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406208/normal_600cb3dbe3ef5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/aa4560aa-0fcd-46da-bf5d-a68fd9f9ef1c/8434407576.pdfIn PDF document text
- https://s3.amazonaws.com/xeponodij/sandisk_clip_sport_plus_player_driver_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5aaefb5b-214a-4947-a746-458eddff838c/yard_machine_lawn_mower_blade_adapter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a5694587-df31-400d-885f-63528bc2c143/the_official_preppy_handbook_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef7d6d09-58e0-42bc-9c97-c8bb65d18130/how_to_reset_toner_on_brother_printer_mfc_7360n.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/627f131a-d900-41c9-aeea-18a5890f4940/is_1280x720_resolution_good.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e40497e-b0ea-4307-b076-83cff1a1a666/line_6_spider_3_75_watt_price.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5674df76-ec08-4bb9-93db-7421c67ef278/37343839428.pdfIn PDF document text
- http://wadoromutisagar.myartsonline.com/suladusijumedemitu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1468633f-6636-4c16-98f7-61e0e4f7f1e3/yashica_mat_124g_buy.pdfIn PDF document text
- https://s3.amazonaws.com/topipovikapari/16562303838.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cb5cea09-2444-4265-a885-99d938799680/does_the_lg_stylo_3_have_a_sim_card.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7b80af99-8dc0-4be3-9be8-9aa209d168e9/sims_3_cheats_xbox_360.pdfIn PDF document text
- https://s3.amazonaws.com/fodose/liberated_manuals_m1097.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_off00010234.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10234 | 4908 bytes |
SHA-256: d12cbd3ea79b4a8b4935593e559204818503e7cc9472f44d420c648acbb6cf3e |
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font_01_sfnt_off00011304.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11304 | 12756 bytes |
SHA-256: 7b058b3b3e4883cc17389e94f466ce6e25beda262c8740d3bcbb6dddc196e526 |
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