Malicious PDF — malware analysis report

Static analysis result for SHA-256 fca2080e7f7ceb17…

MALICIOUS

PDF

68.1 KB Created: 2021-03-08 03:53:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 77fb7b67ae78561497c029570555ebe4 SHA-1: b283d716f3a8c840fa80a38f8bf2c49589cd9fb9 SHA-256: fca2080e7f7ceb17559f8b4e528be108648c8da12830443a07d65f37d38ee09a
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

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 0.9227

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
  • 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://xezojetit.ru/award?keyword=what+is+the+best+thing+to+eat+at+dunkin+donuts PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4423166/normal_600d984f6c205.pdfIn PDF document text
    • http://portkamesto.site/552450642605iup6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470038/normal_6023d3546e86c.pdfIn PDF document text
    • https://cdn.sqhk.co/dewavasese/o3jajeH/wood_carving_kit_uk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413457/normal_601a80150e3fa.pdfIn PDF document text
    • http://kefojixesopu.66ghz.com/30196450200.pdfIn PDF document text
    • https://cdn.sqhk.co/vugujebeku/ysgfhj5/smart_in_pays_mlm.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383327/normal_6026642ce3ad2.pdfIn PDF document text
    • http://golden-charm.com/facebook_black_background_android6vzhh.pdfIn PDF document text
    • http://fukuzowi.sportsontheweb.net/ihip_little_dude_bluetooth_speaker_charger.pdfIn PDF document text
    • https://cdn.sqhk.co/sepokafaru/fT4ifTl/civil_war_pictures.pdfIn PDF document text
    • http://nefritthebestthing.site/htc_scribble_onlinequndq.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404520/normal_602b5e63595c5.pdfIn PDF document text
    • http://leninuludobodu.mygamesonline.org/43609179958.pdfIn PDF document text
    • https://cdn.sqhk.co/foxoxaze/QZghsjf/30838616455.pdfIn PDF document text
    • http://zabovawupe.mypressonline.com/guzigijure.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://subuxatofipiwiv.epizy.com/hades_orpheus_and_eurydice_quest_guide.pdfIn PDF document text
    • http://xixovunutev.epizy.com/28623400691.pdfIn PDF document text
    • http://josuguremim.epizy.com/97486338164.pdfIn PDF document text
    • http://sopexas.epizy.com/harry_potter_trivia_questions_and_answers_printable.pdfIn PDF document text
    • http://gasunojuz.epizy.com/22842187063.pdfIn PDF document text
    • http://ruludamena.epizy.com/71643177296.pdfIn PDF document text
    • http://wutejaxevewef.myartsonline.com/30479229154.pdfIn PDF document text
    • http://vabagez.rf.gd/how_to_delete_voicemail_on_doro_phone.pdfIn PDF document text
    • http://kekepujubulegev.epizy.com/zolaxagikutijetigazonofu.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eaf6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAF6 5176 bytes
SHA-256: 78b808e5c551721ec29bd653c6b107229cfb2b091227adcf287be20d1c4877c0

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