MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, with at least one pointing to a suspicious domain ('bologen.ru') that is likely part of a link farm designed to redirect users. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and 'Arduino uno programming language', suggesting a lure to disguise the malicious intent. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly suggest a phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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 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/123?utm_term=arduino+uno+programming+language PDF link annotation
- http://gatorama.site/zuxarusofagalajonikb0dk.pdfIn PDF document text
- http://sodalabs.club/when_were_prisons_created_in_americaxdy19.pdfIn PDF document text
- http://drovazvenigorod.ru/lasko_tower_fan_clicking_noise8t13y.pdfIn PDF document text
- http://smirno.life/dofatusimo6nmw.pdfIn PDF document text
- http://drilltech.info/kepugovojakutepuut3hi.pdfIn PDF document text
- https://gitapizi.weebly.com/uploads/1/3/2/6/132683136/9443834.pdfIn PDF document text
- http://ketousa.site/wexetn6bck.pdfIn PDF document text
- http://rubeatyshop.xyz/diy_dry_cell_hho_plansn5vq9.pdfIn PDF document text
- http://fredo.run/vinopesa2otko.pdfIn PDF document text
- http://artistichomesolutions.com/high_school_calculus_textbookz8fvk.pdfIn PDF document text
- http://educationonline.website/kulitesemojigovorewuzahahjm.pdfIn PDF document text
- http://grenkasalo4.xyz/machine_learning_yearningf095p.pdfIn PDF document text
- http://msertis.xyz/doorbell_sound_ringtonebxkyf.pdfIn PDF document text
- http://vigastlens.xyz/cosco_scenera_next_forward_facinghe27s.pdfIn PDF document text
- https://vesumuzuvof.weebly.com/uploads/1/3/4/6/134685641/bogev_mawukaxebilaxu_tegezobo_keganubi.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/93f4e459-9689-42b8-9226-39cce9b1cc8a/wow_best_hunter_spec_bfa.pdfIn PDF document text
- https://78905da9-dd21-4190-abaa-c894c042e703.filesusr.com/ugd/851c7c_e614a41c071d42ddadf25f3de9cab57a.pdf?index=trueIn PDF document text
- https://b860438a-ced3-4995-86f2-ad9a24e3f15c.filesusr.com/ugd/938eb2_54b3e9d24b174e01bd6290312278b20d.pdf?index=trueIn PDF document text
- https://5d3a3edc-1384-4eb0-a354-174dd54c13aa.filesusr.com/ugd/7f5dc5_bbcd07acd379449da759809829154ea7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f9ac75bd-f4db-405e-98fc-26980d3e6962/41849536569.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3b36e90c-7c10-4cd3-9498-e2df9e4e6a9c/81587388347.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00507457-8334-41e2-80d8-694d74b6c174/76784241509.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f09b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF09B | 3080 bytes |
SHA-256: 3ea9dc0fe5daeba8b7c1286de8752a991578e51b79301a8010be3d8f06b4997c |
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font_01_sfnt_off0000fba3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA3 | 5088 bytes |
SHA-256: 048b80e2bfbd175f2d53e0e53df96ddd868ce2881e9af7309af8f0290f4d3c84 |
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font_02_sfnt_off00010cdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CDF | 11912 bytes |
SHA-256: a19d15666fab478ba9a77e56f6cda72d382c973f890ac382e0c10391b4b7288d |
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