Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2fdd4824c250f7c…

MALICIOUS

PDF

49.6 KB Created: 2021-01-12 12:07:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f34cbda78b269a3126d9d5c03d4ff5a0 SHA-1: 91f50daaf3701b70efc4df59502b6185d545ea13 SHA-256: d2fdd4824c250f7c0d1b24449f9d20d109b702ed32608d52c13db77fdb2b297b
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as a phishing lure due to its structure, containing an image designed to trick users into clicking a link. The embedded URL, https://traffnew.ru/aws?utm_term=bet365+mobile+apps, is the primary indicator of malicious intent, likely leading to a phishing page or further malware. ClamAV and ML classifiers also flagged this file as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7328

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 49 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://traffnew.ru/aws?utm_term=bet365+mobile+apps
    • https://site-1181017.mozfiles.com/files/1181017/prop_hunt_map_fortnite_creative_code.pdf
    • https://cdn.sqhk.co/fodibaniwe/igTrzia/tank_stars_game_download_free.pdf
    • https://site-1248600.mozfiles.com/files/1248600/granny_mod_menu_apk_1__7__3.pdf
    • https://cdn-cms.f-static.net/uploads/4392861/normal_5fe62e6c5c987.pdf
    • https://cdn.sqhk.co/wejagamewo/ZkgFhgv/93261457698.pdf
    • https://cdn.sqhk.co/rinilafexowi/Shjjjho/top_scorer_2020_epl.pdf
    • https://cdn-cms.f-static.net/uploads/4444875/normal_5fa6b6af750b6.pdf
    • https://cdn-cms.f-static.net/uploads/4485929/normal_5fd77929eeacb.pdf
    • https://site-1176586.mozfiles.com/files/1176586/fortress_td_cheats.pdf
    • https://static.s123-cdn-static.com/uploads/4374207/normal_5ff6952866b27.pdf
    • https://site-1178617.mozfiles.com/files/1178617/siren_head_scp-_6789.pdf
    • https://site-1168143.mozfiles.com/files/1168143/pefefijitemezuvagone.pdf
    • https://s3.amazonaws.com/megelugik/free_music_itunes_iphone_4s.pdf
    • https://s3.amazonaws.com/jufowokedunod/ssc_stenographer_paper_2018.pdf
    • https://s3.amazonaws.com/jadere/sajidotawusozoneb.pdf

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