Malicious PDF — malware analysis report

Static analysis result for SHA-256 07feab6396d82d66…

MALICIOUS

PDF

74.9 KB Created: 2020-12-28 17:50:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: e9b038469deb4c649d7605cdfa8fea16 SHA-1: 76ca9ec0c4a7bd3d7acad2f3f744ab9bf4994100 SHA-256: 07feab6396d82d6658c59f4a2dd81ddcc1eae6b7322ffe9381520f9aa235a9bd
154 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, traffking.ru, which is likely intended to lead the user to a phishing or malware download site. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded link suggest a phishing or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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
  • 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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://traffking.ru/strik?utm_term=life+is+strange+ps4+walkthrough In PDF document text
    • https://wutawodasigupo.weebly.com/uploads/1/3/4/5/134512212/81f992f5.pdfIn PDF document text
    • https://cdn.sqhk.co/pimidima/7wHjajd/87313362606.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382418/normal_5fe4a4a2d1575.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488804/normal_5fa8ae9393136.pdfIn PDF document text
    • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/2a005056-4dc6-4734-b069-a775cd4dc0ef/filmora_screen_recorder_free.pdfIn PDF document text
    • https://s3.amazonaws.com/zetare/pazetowelububiwinebe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6b5e0d5-019b-4bfc-a429-7ba8ba3d5e07/79071735249.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5897320c-75f1-430f-bdf9-e336ad0f2e96/55268484405.pdfIn PDF document text
    • https://s3.amazonaws.com/tarajix/rodak_s_hematology_6th_edition_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d7c09ccb-6412-417f-9205-df09d36fe196/tejemakudomowos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b16e39a4-14e9-41de-8da6-f05a48866cb7/mario_bros_multiplayer_flash_games.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4a96f3cf-4eca-49fd-a09c-e7500a378029/positioning_the_battle_for_your_mind.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d2bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2BD 1556 bytes
SHA-256: d07f3d49c9cced9ba225b5ec5b70b8c2f0e2ee71e1d5c3cb42553f235036627c
font_01_sfnt_off0000daa5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAA5 5232 bytes
SHA-256: 3467c39c1522068c258f8fba6cd5dd1fab2a239aed690621aa077108f2e5ca25
font_02_sfnt_off0000ec83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC83 10492 bytes
SHA-256: ab712a8269eaadb69559601248436ce51042ff0c7dabcb85f4388c25eac99410
font_03_sfnt_off0001106a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1106A 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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