Malicious PDF — malware analysis report

Static analysis result for SHA-256 a327cb96c5e64fd2…

MALICIOUS

PDF

66.1 KB Created: 2021-02-21 23:15:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 2ca7e58fc51b647a781c6433fd4172a3 SHA-1: a99e7dd93bef71884e224ee7959da5ec010dbea3 SHA-256: a327cb96c5e64fd262822acab2789c14007aa602975bb011e45818444fc7d814
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://jottigo.ru/wix?keyword=motorola+talkabout+250+owners+manual PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4411511/normal_602199d48bca3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378853/normal_5fd5fddc29e59.pdfIn PDF document text
    • https://cdn.sqhk.co/kulobibab/giyFtii/mountain_bike_accessories_shop_in_singapore.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483856/normal_602ad1e0f38ac.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426556/normal_5fd225adcd182.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486983/normal_6022adb712eb3.pdfIn PDF document text
    • https://cdn.sqhk.co/seponidozit/hjiehhs/53892681057.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426545/normal_5fffb66e7df40.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484365/normal_5fd645e9bed7d.pdfIn PDF document text
    • https://cdn.sqhk.co/voxedifi/ghd0Pjg/dude_perfect_doing_basketball_trick_shots.pdfIn PDF document text
    • https://cdn.sqhk.co/wadelovelo/micuYje/64697186727.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484380/normal_5feb0479b71ab.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402252/normal_5fd8f98b6a2aa.pdfIn PDF document text
    • https://cdn.sqhk.co/mugegiduveb/8ghxwmG/23891541795.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444371/normal_5ffa2b48cb249.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417208/normal_6011a955989d6.pdfIn PDF document text
    • https://cdn.sqhk.co/zudilubal/ghjjjcb/sonny_with_a_chance_theme_song_video.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000c57e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC57E 5528 bytes
SHA-256: eaed2aabe67d781fd1b69e8c20ead90d212a555c765fc1c3896c850fb2dc324a
font_01_sfnt_off0000d857.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD857 10204 bytes
SHA-256: af582356a892bac05db8414e9b00ad1f7df52faca761bd94ca429531b9262327