Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f1edc5f9fef9148…

MALICIOUS

PDF

37.6 KB Created: 2020-11-06 02:41:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0598f9fa29317e5353081afd5cf54b41 SHA-1: 9910d0cdf160907ca4b8e2107154d44b754767bb SHA-256: 2f1edc5f9fef91487df1dd0cd70e4b05016ad5ba93ff49c7f0fd0942816b8658
76 Risk Score

Malware Insights

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

The PDF document uses a lure of a 'vape pen manual' to entice users to click on embedded links. The high-confidence ML classifier and the 'PDF_SEO_UTM_REDIRECTOR_LINK' heuristic indicate malicious intent, likely for phishing or malware distribution. The embedded URLs point to redirectors and potentially malicious PDF files hosted on external services.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://trafftec.ru/strik?keyword=ooze+1100+vape+pen+manual PDF link annotation
    • https://towetebofipu.weebly.com/uploads/1/3/1/4/131437669/fff884f3706.pdfIn PDF document text
    • https://wesaxewotivaf.weebly.com/uploads/1/3/4/5/134578523/726593.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409413/normal_5f9616f526125.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/81b24b54-71fb-4cb8-86c1-3c36409f77b3/52996392525.pdfIn PDF document text
    • https://s3.amazonaws.com/sigobija/16092370642.pdfIn PDF document text
    • https://s3.amazonaws.com/dinisemowoge/25201391962.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bc2754bc-9377-4653-8932-d239a2653c45/48872490596.pdfIn PDF document text
    • https://s3.amazonaws.com/leguvefu/40061104803.pdfIn PDF document text
    • https://s3.amazonaws.com/subud/senorogalav.pdfIn PDF document text
    • https://s3.amazonaws.com/leguvefu/english_aptitude_tests.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_off00005387.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5387 5024 bytes
SHA-256: d96e06eb4613644a02239159e8927fcf8a4b652857ddd325585236a624b149b8
font_01_sfnt_off000064a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64A0 11108 bytes
SHA-256: a4a0cd833183baa95fd5fed073482c4eb952e52a7b5aaa61ed2010cd44f84081