Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7e217e833314b15…

MALICIOUS

PDF

69.0 KB Created: 2020-12-17 10:50:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: db9f83582b5458c526b43a3657841ee9 SHA-1: 3941ea65169ae045df9207921379099e9c09a2c8 SHA-256: f7e217e833314b15387d1d230d063253f0b95d3657ae8dedb924a919725ab2f1
156 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious content. It contains a link farm with numerous external URLs, one of which, https://trafffi.ru/123?utm_term=turner+super+sidekick, is identified as a potential threat. The presence of embedded JavaScript, although not fully detailed, suggests an attempt to execute malicious actions or redirect the user.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://trafffi.ru/123?utm_term=turner+super+sidekick PDF link annotation
    • https://dojenamolusojow.weebly.com/uploads/1/3/4/8/134868247/vakozeva-sanirapobev.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/f76c4d1a-408c-4554-b927-5d40c20cff3c/what_channel_is_gsn_on_fios.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5054dc6d96458363c81e8/t/5fc94132f07c373764a30ed1/1607024948955/fomesetupelazonebivoboj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a77fb0c5-244b-480d-85df-7730068b957d/86329131925.pdfIn PDF document text
    • https://s3.amazonaws.com/jofunozuzof/physics_for_scientists_and_engineers_randall_knight.pdfIn PDF document text
    • https://s3.amazonaws.com/legapatatezisa/39612546964.pdfIn PDF document text
    • https://s3.amazonaws.com/lowuwofuxali/sawibaditujojemefif.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/238088a8-e213-465e-90ba-3adca73ee9b2/puxowupus.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd16e51ea14523495a0282/1606227686335/sony_vaio_pcg-71913l_wifi_driver.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc534cbe9fc3622d53e1cbf/t/5fd0055368a40d5ef2100876/1607468372198/27180653700.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6dfa97fe-d2ca-4bab-b8f1-a69bd454f0c5/vokutuzezuxusilin.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5c410bdb33045eee38129/t/5fca2625e4017829c1736399/1607083565168/zowixibawiworuwefuwapazer.pdfIn PDF document text
    • https://s3.amazonaws.com/sepawi/basic_occupational_safety_and_health_training.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f23569eb-7f4d-410e-917b-fa9cea0b9e10/72790731580.pdfIn PDF document text
    • https://s3.amazonaws.com/vetamedisoz/friday_no_guidance_chris_brown_lyrics.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_off0000cfa8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFA8 4840 bytes
SHA-256: 00adf14154f7505fe8bc0c208c8ca35f54e90b5e8ad0b211d6504fbc62bdc271
font_01_sfnt_off0000e034.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE034 10976 bytes
SHA-256: 7f013ae92184c91238c418059f2d14f6a71f0fa4ece586ab9b99624431afc7aa

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