Malicious PDF — malware analysis report

Static analysis result for SHA-256 207266d7e80a39aa…

MALICIOUS

PDF

72.1 KB Created: 2020-12-18 12:24:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 8b68ee8b96b011be9e690b3bb020a589 SHA-1: ee8a827140a96e204fe1c4c86b5b80289080411b SHA-256: 207266d7e80a39aa2c3b3c8010aed514724a5fce542fadf3c0ab04e2a054d28d
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URL pointing to 'traffine.ru', which is likely part of a phishing lure. The document body, though heavily obfuscated, appears to reference a TV show episode, suggesting a social engineering tactic to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://traffine.ru/strik?utm_term=jessie+season+1+episode+10 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4390637/normal_5fd918e34c897.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381347/normal_5f8d062b7ef98.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373522/normal_5f8903c5c4a25.pdfIn 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://s3.amazonaws.com/rubidokezive/55196537927.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc59ef75bcb0228a2a2afad/t/5fc73dd63d56556d143a10c8/1606893019062/butter_slime_games_making_butter_slimes.pdfIn PDF document text
    • https://s3.amazonaws.com/fosagoba/nutrition_ethiopia.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0ed4f1452f90b7fe57e24/t/5fc33867a97599144e609c8b/1606629482610/fitigadawafopepesiwa.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf4b88bc819f1cf4ced15b/1606372233608/dirt_bike_hitch_carrier_hydraulic_jack_hauler.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/496b1e1c-7e86-438f-8b90-0bcab45d5308/6013153354.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0dbcbbf71053ccb0ffb78/t/5fcb188a190ee82df8d75de9/1607145614308/34241879068.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f0694176-b444-4402-8793-9353819a6ee0/gisof.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6d1850ac-87bc-4f2c-ae97-e736cf84fe12/71768166584.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d0d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0D4 4716 bytes
SHA-256: 78667b07034399ab02d366502164e3eb476f0f837161a85eeaeb5175e4ecee44
font_01_sfnt_off0000e0dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0DD 10656 bytes
SHA-256: 3b48a70dc3b95d8f83ce16dcad85aff61eab6ddb5f7520388da3fab389a11b31
font_02_sfnt_off00010550.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10550 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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