MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains a large number of external links, with several pointing to disposable hosting, suggesting a link farm or phishing attempt. The primary URL, 'https://bologen.ru/award?keyword=2d+animation+tutorials+pdf+ebook', appears to be part of this scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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://bologen.ru/award?keyword=2d+animation+tutorials+pdf+ebook PDF link annotation
- http://classkaod.ru/polaris_office_app_review3vv7c.pdfIn PDF document text
- http://help-feedback-amzn8.xyz/93849095196jr117.pdfIn PDF document text
- http://circulyarkadigital.xyz/do_u_need_to_lift_weights_to_get_abswdl77.pdfIn PDF document text
- http://kenugizi.getenjoyment.net/33488135794.pdfIn PDF document text
- http://helplnstagramcontact6088757.com/94303600925ovzby.pdfIn PDF document text
- http://vixitatevejiwo.getenjoyment.net/gta_5_premium_online_edition_ps4_not_working.pdfIn PDF document text
- http://cparta.moscow/79580459181jpks7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/naxizugenabi/51589166028.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b4b8fe8-caf2-43a9-9da8-d2006b5e3838/dideninawojimewe.pdfIn PDF document text
- https://cb47f074-0476-4434-b381-5672a365cab8.filesusr.com/ugd/c46c8a_9579ed03fc734fee858f365fa12a59bb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/86802320-2313-420c-925a-f1aefb2e890b/how_do_i_know_if_my_golf_cart_clutch_is_bad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/25439580-0c20-420d-8a4c-1a46ae061415/how_to_set_up_tracfone_lg_rebel_4.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/390e2260-bd39-45db-9341-e17be0aa0675/78167893327.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c861614-603b-48db-aae7-5bb792a414ae/samsung_a10e_case_with_card_holder.pdfIn PDF document text
- https://s3.amazonaws.com/waduzirader/kagapiwevanipiloxopigom.pdfIn PDF document text
- https://746420f6-3007-491b-ba72-fd43be5094e5.filesusr.com/ugd/277b62_d602d19452444df8906103b963204b8a.pdf?index=trueIn PDF document text
- http://kilarosine.atwebpages.com/juwoso.pdfIn PDF document text
- https://f8d4b294-f952-4a11-85e8-0a3036f9bdaf.filesusr.com/ugd/ad8f3a_f48ca1e494d64638ad287ef4bc2c2468.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a3c4987a-2a0d-4557-bc30-1ca45b4e9f95/how_to_find_variable_cost_ratio.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8cf3c66e-d076-4f47-9eb5-db3d4aa49023/rock_band_4_xbox_one_pro_drums.pdfIn PDF document text
- https://c0b8f06b-4e98-4d3d-89ef-2f08caba629a.filesusr.com/ugd/0c8cc8_8de05f062c9e4f1bbd49174ac6517127.pdf?index=trueIn PDF document text
- https://caa91486-5fcc-43b7-8b2b-5b817ae85bbe.filesusr.com/ugd/26bbcf_8229f859eeb842aba96505bcb2376317.pdf?index=trueIn 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_off0001089d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1089D | 5428 bytes |
SHA-256: abd364eb60514d5d1282077079c3ac9e8f8b1b398a7044d0df30583cc351f1a7 |
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font_01_sfnt_off00011af7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AF7 | 10704 bytes |
SHA-256: 17e5ca2ccced8a409326093dcc89a886c1ab61af178c2e70ad5b43a3b9aa5e25 |
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