Malicious PDF — malware analysis report

Static analysis result for SHA-256 faf2c0eeed550d2a…

MALICIOUS

PDF

72.1 KB Created: 2021-03-01 09:16:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 6686d77b7df2a92eb31fd90fa5592aeb SHA-1: 01eb4032d47656084a64fd4b6316604345fd4ad6 SHA-256: faf2c0eeed550d2ac6af7acf2edbf24b6974e4eccec60bdf165e69fa41bce99f
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jacksth.ru/wix?keyword=the+godfather%2527s+revenge+pdf+free+download PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4413570/normal_5fd184ff7f25c.pdfIn PDF document text
    • http://barajofa.mywebcommunity.org/staying_alive_in_year_5_book_review.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377674/normal_5fc75588e3531.pdfIn PDF document text
    • http://idclick.cash/2356981547537isc.pdfIn PDF document text
    • http://requiredjokblog.com/nccn_guidelines_in_oncologyv9mtr.pdfIn PDF document text
    • http://lyudi23.ru/situfizowexiwolerositopisknmrb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379855/normal_5ff0b184ccef0.pdfIn PDF document text
    • http://itsamorem.com/pdf_to_word_applicationsrt08.pdfIn PDF document text
    • http://fibiver.mygamesonline.org/what_are_the_different_aspects_of_film_formats.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366973/normal_5fef347ccbed9.pdfIn PDF document text
    • http://wiinorama.website/xoloxosekowuzevome1nz94.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4457570/normal_5fcc56e423c2c.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/lemefofutomapox/civilization_6_modding_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwamoxamo/famuxokiwadosovopad.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_off0000dca7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCA7 5440 bytes
SHA-256: f0f785c61ebe5ab9e144f3d71c503382cdf60126b72254aef87e7bd93028c398
font_01_sfnt_off0000ef47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF47 10428 bytes
SHA-256: 53462b8b6ad636c88ba8da25481e91fe9c9647028e58d48ed66ca46444b97916