Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f0f0617a702e3d3…

MALICIOUS

PDF

165.6 KB Created: 2021-03-10 03:18:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 879ebd1a453523b3ff8ae2f66eb5bb01 SHA-1: 2c817455626e24928296500f419e830f165d11a4 SHA-256: 9f0f0617a702e3d3ac249b508c105b965fc21d186d72c82fcd14cfff552a363d
182 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, many of which point to known malicious redirectors and disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The document body, though heavily obfuscated, contains text fragments related to DNA, possibly as a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9702

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • Embedded URL info EMBEDDED_URL
    One 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://crophysi.ru/strik?utm_term=how+many+strands+of+dna+are+in+a+cell In PDF document text
    • http://gunofixe.medianewsonline.com/6150471889.pdfIn PDF document text
    • http://digosige.mywebcommunity.org/65822813438.pdfIn PDF document text
    • http://kofodotig.sportsontheweb.net/tozawolowuta.pdfIn PDF document text
    • http://mezajozugabaso.getenjoyment.net/kebib.pdfIn PDF document text
    • https://s3.amazonaws.com/rumezo/octavia_butler_bloodchild_audiobook.pdfIn PDF document text
    • https://s3.amazonaws.com/rakabexozu/11195723737.pdfIn PDF document text
    • https://s3.amazonaws.com/kodipopujufipig/arrest_warrant_case_2002_icj_reports_3.pdfIn PDF document text
    • http://julivojurukumu.sportsontheweb.net/vishnu_sahasranama_list.pdfIn PDF document text
    • http://mubinazo.22web.org/aashiqui_2_movie_video_songs_free.pdfIn PDF document text
    • http://nositadox.mypressonline.com/21220323085.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://237a2310-9536-43ad-add1-fe73b840a51a.filesusr.com/ugd/8b319d_b0a468c9c37f4b15b63a8e4d4dd79260.pdf?index=trueIn PDF document text
    • https://b20aee1f-b1b7-4e4e-be5e-d884e4ece670.filesusr.com/ugd/10e3af_da2d49aa46364246a5f42a51208fb479.pdf?index=trueIn PDF document text
    • https://3485775d-af35-4505-8fb4-f6750f575e04.filesusr.com/ugd/42f18e_4241edd6eef14b578da8b31a7d2edc8f.pdf?index=trueIn PDF document text
    • https://21e323bd-7fdd-46e9-a6c7-4880e76d7610.filesusr.com/ugd/0a51c1_640737a230c646d48e91af7e728a78c5.pdf?index=trueIn PDF document text
    • https://c7fb3737-a2fb-4e06-b71d-f78b648bb0a4.filesusr.com/ugd/a9248e_baaaf691a2f24e82a9e61b73cd63182d.pdf?index=trueIn PDF document text
    • http://kuwijiti.myartsonline.com/what_is_the_importance_of_cleavage_in_development.pdfIn PDF document text
    • http://xozokol.rf.gd/best_stroller_frame_for_chicco_keyfit_30.pdfIn PDF document text
    • http://wugujub.onlinewebshop.net/what_is_lean_toyota_production_system.pdfIn PDF document text
    • http://popofisofol.myartsonline.com/3691138411.pdfIn PDF document text
    • https://234d5d8d-19c9-4cab-a884-dd0775662658.filesusr.com/ugd/fb7225_81d365a6925c4118a1356a23570f6e5b.pdf?index=trueIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002629e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2629E 5324 bytes
SHA-256: c9b5a9f2d18e242a2f1a6aa0e1199f76d4c1b8ec53fa18df494fd8aa934faecc

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