Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ac9403420757614…

MALICIOUS

PDF

72.5 KB Created: 2021-04-01 18:50:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 5390d69ebecba20fe605c7584e4d6fc3 SHA-1: af99e94c60019b0f0db405b96d932a1c7090a4f4 SHA-256: 2ac94034207576142b1b77f8873861252f978d2893dce81f1dd73902c29951dd
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6498

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://ponafet.ru/aws?utm_term=bardo+thodol+pdf+romana PDF link annotation
    • http://xidasetetobuge.scienceontheweb.net/b._com_5th_sem_syllabus.pdfIn PDF document text
    • http://smartradiobf.ru/george_foreman_rotisserie_chicken_recipetc48f.pdfIn PDF document text
    • http://fawikenaxalu.scienceontheweb.net/77327699260.pdfIn PDF document text
    • http://instgrmmverifiedbadge.com/39475474163teb8u.pdfIn PDF document text
    • http://lightly.store/39672379463f860d.pdfIn PDF document text
    • http://electrumwallet.buzz/57576378050k6m6o.pdfIn PDF document text
    • http://silkhfig.bid/roman_adventures_britons_season_2_walkthroughd7exb.pdfIn PDF document text
    • http://tertov.xyz/how_to_set_a_brinks_outdoor_timer8zyfa.pdfIn PDF document text
    • http://nasporte1.fun/vegan_keto_diet_planiv4cr.pdfIn PDF document text
    • https://s3.amazonaws.com/zexozavo/38322026027.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/337d9a15-b561-4bff-81a1-a440b2dcce3b/degufisixeta.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ccca0b8b-f0d4-49e4-b9e4-b23490e66fd4/37104567431.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/97178f1b-1012-439e-af98-0ffc9305c306/which_section_of_negotiable_instrument_act_deals_with_cheque.pdfIn PDF document text
    • https://s3.amazonaws.com/libeganot/74580724520.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b22184b4-07ab-4d59-bb46-8522f37c3348/tidume.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/24640bc1-82e3-4b77-b9ed-b30e4e66280a/votalom.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8a64c015-c93a-4f14-9a08-045a71cfa705/photoshop_cs6_keyboard_shortcuts_cheat_sheet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/245f2669-0ae3-4379-8fd3-f048ca480e88/pharmacology_books_for_mbbs_free_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5d15b678-6b0c-474b-8cb4-3836be764e65/begowogija.pdfIn PDF document text
    • http://gavofime.atwebpages.com/23844896263.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d763a540-fb1f-4f0e-98e3-389dd6a0589b/54203942946.pdfIn PDF document text
    • https://s3.amazonaws.com/timeziso/netflix_tv_apk_mirror.pdfIn PDF document text