Malicious PDF — malware analysis report

Static analysis result for SHA-256 29434e22b0f9deab…

MALICIOUS

PDF

82.8 KB Created: 2021-03-14 03:01:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 8ae3f2b2958b6f793d82346122a07c75 SHA-1: 19916b4518db3432dc9fe876db19ff36e163d7e3 SHA-256: 29434e22b0f9deabbb4ac6dd21c54da69bdc9226dff2ca1c3630a59d2d330d32
96 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 external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://dugedepap.ru/wix?keyword=sophos+sg+sizing+guide+2018 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4406789/normal_6040651b3254a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447631/normal_5fc816974d934.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496815/normal_5fd905ddcccc5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452173/normal_601cc4f966219.pdfIn PDF document text
    • https://cdn.sqhk.co/jimavidozeze/ZihnUtO/weekend_getaways_for_couples_in_texas.pdfIn PDF document text
    • https://cdn.sqhk.co/seranowe/Chgiegf/jurassic_world_the_game_latest_version.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446761/normal_5ffcd74fac529.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379355/normal_604b797c3eb36.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447497/normal_5fcbf393e76dd.pdfIn PDF document text
    • https://cdn.sqhk.co/jupujezaxa/hggg4ia/37951747791.pdfIn PDF document text
    • http://snegny.com/genapopimifiiylvv.pdfIn PDF document text
    • http://unlockdeals.shop/how_to_use_a_single_use_keurigcakki.pdfIn PDF document text
    • https://cdn.sqhk.co/fapolokid/jkEigj9/cross_stitching_starter_kit.pdfIn PDF document text
    • https://cdn.sqhk.co/rojozedofaf/hhggijI/luzanotubamenivodij.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481663/normal_6023e35b965f6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/senodiw/neletawuwiv.pdfIn PDF document text
    • https://s3.amazonaws.com/xasovewipeje/the_maltese_falcon_book.pdfIn PDF document text
    • https://s3.amazonaws.com/piwanisaj/gawagetopuwumejidazamabe.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010362.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10362 5556 bytes
SHA-256: 7d104de0c5c19521454f0f5f77c8027a0542e3b7d8f1313936594dbc03e5b7b3
font_01_sfnt_off00011659.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11659 11660 bytes
SHA-256: 74e5ccaa85394ddecae79733ddcf08768e98acbc612e82a2b141ce9be523768a

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