Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e5d767a5d863689…

MALICIOUS

PDF

65.3 KB Created: 2020-12-29 13:53:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 7dceeae22011288132a4d8fd1da6a2ae SHA-1: 1c28229dacf5500b7d8996276088cc8829338a88 SHA-256: 6e5d767a5d86368998059bf37c69a3f4ca4326f67b8116f716779ffe026d9118
96 Risk Score

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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://traffking.ru/strik?utm_term=fitbit+inspire+charger+stand PDF link annotation
    • https://cdn.sqhk.co/vagewovupug/1Qgcif2/7225256172.pdfIn PDF document text
    • https://cdn.sqhk.co/pepitaji/URjcjbT/monster_killer_bug_zapper.pdfIn PDF document text
    • https://cdn.sqhk.co/wuluzajiroz/dhbttjg/23763184313.pdfIn PDF document text
    • https://cdn.sqhk.co/xaxovowupofa/mPxick7/46963942515.pdfIn PDF document text
    • https://cdn.sqhk.co/rapavuse/j5kjhia/nolobusatik.pdfIn PDF document text
    • https://cdn.sqhk.co/nezusoxe/jhvielj/new_farming_games_ios.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/sabobenuwe/allcast_apk_mod.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxepiduded/65579687153.pdfIn PDF document text
    • https://s3.amazonaws.com/sepovutapakogaf/geometric_tools_for_computer_graphics.pdfIn PDF document text
    • https://s3.amazonaws.com/lixuduwonifa/internal_carotid_artery_dissection_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/tiniruru/funumawid.pdfIn PDF document text
    • https://s3.amazonaws.com/donarepemi/haad_dataflow_report_request.pdfIn PDF document text
    • https://s3.amazonaws.com/zarelusipofox/90663190801.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_off0000c25d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC25D 5396 bytes
SHA-256: 27e6cbc4e46a723cc7b32a7a5ca97287947455cb13635082a89eb8632cf11bc9
font_01_sfnt_off0000d4ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD4AE 10632 bytes
SHA-256: 82b2eac1a5a80e279c87e581524135d0c1e3e49ca957f6f3bd5b286d7b60be39

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