Malicious PDF — malware analysis report

Static analysis result for SHA-256 fee6de87b676b8aa…

MALICIOUS

PDF

75.0 KB Created: 2020-11-16 15:00:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: d42f8c5cb51cb0cd340f3f0d3f552dc3 SHA-1: 46db52db270b04c9b36e39773bc840b5abd392d6 SHA-256: fee6de87b676b8aa514e0da962a7870b609ebfae5e222f0ab13f857a4d09ac94
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://traffset.ru/wb?keyword=complex%20number%20polar%20to%20rectangular%20form%20calculator PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4411696/normal_5faa1c45557a7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365653/normal_5f870ab86507c.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/jutenojamega/need_for_speed_most_wanted_apk_for_pc_2005.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d655c84-40a4-49a9-94a6-6096242431ae/manual_practico_de_refrigeracion_y_aire_acondicionado.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/53eaa394-e84f-4704-8bf3-a3044abf4177/sunudonodozoxubadola.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/774337e9-d433-48b2-bd38-94a47e254e4d/34884204255.pdfIn PDF document text
    • https://s3.amazonaws.com/kewuxejikiwe/1998_jeep_grand_cherokee_owners_manual_download.pdfIn PDF document text
    • https://s3.amazonaws.com/tutasujal/75631607485.pdfIn PDF document text
    • https://s3.amazonaws.com/donarepemi/barron_s_toeic.pdfIn PDF document text
    • https://s3.amazonaws.com/peveziwoguxuzam/kalizu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fee7683b-395b-4940-9d97-49d670bfcfae/love_you_like_a_love_song_lyrics_youtube.pdfIn PDF document text
    • https://s3.amazonaws.com/pazifetanegapu/12882952190.pdfIn PDF document text
    • https://s3.amazonaws.com/likadojivivofu/peroropaf.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5134747b-2d86-4305-9fed-88f7bee2321f/jevezivo.pdfIn PDF document text
    • https://s3.amazonaws.com/belapawerezuju/32506113438.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cf91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF91 5268 bytes
SHA-256: f8efa5c4510838a027a2cdd32897ecf3543b77e45ebb70c02427d6557c8774b5
font_01_sfnt_off0000e166.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE166 11604 bytes
SHA-256: a0e8cedd12579841ce7fc6293da66ed886e19e73285559b1958aee5f401254b4
font_02_sfnt_off0001097f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1097F 16108 bytes
SHA-256: 85ddf588d3c57074d60e83f908d49e9cd156aa1337258d693f29f08ff6005ff6

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