Malicious PDF — malware analysis report

Static analysis result for SHA-256 266e1abd6d0c5a75…

MALICIOUS

PDF

47.2 KB Created: 2021-03-13 15:29:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 41841d539e11ed812b752ac465ad5cdb SHA-1: b12ffb62d1773afc78832ea37de1eba15da5d064 SHA-256: 266e1abd6d0c5a75b6d45c575c09394c8673e4a8ddaaea575f57146c16fd2f20
124 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.7623

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://leonvi.ru/wb?keyword=honeywell%20wireless%20doorbell%20series%209%20manual PDF link annotation
    • http://am-sound.ru/cours_de_mcanique_automobile_pour_dv8qiz.pdfIn PDF document text
    • http://busurman.space/poxumadapijusazuwefijukog19wav.pdfIn PDF document text
    • https://nafuxiba.weebly.com/uploads/1/3/4/0/134097784/jasiko-fexodabuxunalu-xovobologoda-lukijekudetifu.pdfIn PDF document text
    • https://kavakisin.weebly.com/uploads/1/3/0/9/130969045/f4cc58c0b5b.pdfIn PDF document text
    • http://dubiniba.iblogger.org/humminbird_motorguide_interference.pdfIn PDF document text
    • http://boxberry-24.cc/688090254356dy4z.pdfIn PDF document text
    • http://tonagruz.ru/example_of_experimental_research_design_titlecjq5a.pdfIn PDF document text
    • http://bcpzonasegura10beta-viabcp.com/persuasive_writing_activities_middle_schoolq6kek.pdfIn PDF document text
    • http://itagreen.fun/92685837870nneya.pdfIn PDF document text
    • http://juwolopuga.66ghz.com/french_third_estate.pdfIn PDF document text
    • https://doxorovovo.weebly.com/uploads/1/3/4/4/134479089/fevomokunegedoguwaka.pdfIn PDF document text
    • https://betirowi.weebly.com/uploads/1/3/4/6/134661799/sigoxesivu-sexapoduwi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6e08b8fe-e088-40b3-baaf-5b319fef18b4/sogitixonaparokekel.pdfIn PDF document text
    • https://s3.amazonaws.com/rogugagatuf/tuzikuwudawolok.pdfIn PDF document text
    • https://s3.amazonaws.com/purufiz/chick_fil_a_nutrition_grilled_chicken_club_no_bun.pdfIn PDF document text
    • https://s3.amazonaws.com/bokofapig/puwozafelijenevi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1448294a-bd00-404d-a47e-62de96e9e51e/derechos_humanos_lista_chile.pdfIn PDF document text
    • http://vowukexakajan.rf.gd/35497911920.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e5011caf-d778-44f2-a431-9637eb19e0fb/why_wont_my_logitech_bluetooth_keyboard_connect.pdfIn PDF document text
    • https://s3.amazonaws.com/jikopot/96369775201.pdfIn PDF document text
    • https://s3.amazonaws.com/kozewuposoridil/42125936909.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7dcb9a20-b07a-4b10-b886-7c18d0b14d56/forever_warranty_dodge.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/833975f7-bd7f-409e-bf18-1f1d01d7b1ab/formula_quimica_acido_cloridrico.pdfIn PDF document text

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