Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe0b8124dd0fa285…

MALICIOUS

PDF

71.5 KB Created: 2021-03-01 01:12:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: c71b2f36867e0666aff2dbebb1f78739 SHA-1: 8b4464fe2db0a6b85b6cd28fe56dd942fd7ce8ee SHA-256: fe0b8124dd0fa2856df52f207df0befd5941062d369727da9909faeedb9f713c
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://leonvi.ru/aws?utm_term=how+much+does+it+cost+to+send+a+30+pound+package PDF link annotation
    • https://cdn.sqhk.co/zexukobesu/Wp3nihY/34243200414.pdfIn PDF document text
    • https://cdn.sqhk.co/zukasedu/gdtiaii/38737083561.pdfIn PDF document text
    • http://suzaxikuzexaw.66ghz.com/nature_meditation_music_free.pdfIn PDF document text
    • https://cdn.sqhk.co/menasimax/giliggi/lepul.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477873/normal_5ffbb2974742c.pdfIn PDF document text
    • https://cdn.sqhk.co/fezusife/dhfyEsp/wemuzepibozuxaseloxafax.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375209/normal_5fe09a9857bd9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4472475/normal_5fcda460a4d15.pdfIn PDF document text
    • https://cdn.sqhk.co/winelolibug/aihoiiT/planet_fitness_cancel_membership_no_commitment.pdfIn PDF document text
    • https://cdn.sqhk.co/gixedomawa/jeUiege/9548267931.pdfIn PDF document text
    • https://cdn.sqhk.co/jujejorule/6hcngcR/gukimagaverumoferiwiba.pdfIn PDF document text
    • https://cdn.sqhk.co/jimevexir/gLgh50h/59838324661.pdfIn PDF document text
    • https://cdn.sqhk.co/kalusoxat/ig3hdjj/11526968109.pdfIn PDF document text
    • http://kajopikika.22web.org/vibebesibasisuxu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://debatebarumexa.epizy.com/duwutat.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_off0000da2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA2C 5784 bytes
SHA-256: ba25ee626ee9fbf1ef1d8c6f0780e9935470d3f34cb10b2fa1fcf4b75dcb0673
font_01_sfnt_off0000edc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDC8 10244 bytes
SHA-256: e1535c5ed57fd052f63c870070ef6e8436908807ad23f94e618a52a92c953dc8