Malicious PDF — malware analysis report

Static analysis result for SHA-256 347ff9bf2b695f85…

MALICIOUS

PDF

65.4 KB Created: 2021-02-28 14:06:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 1542fed6e629b128b2e0a5ea4b559b87 SHA-1: 9326ef3eb98134aa7988edec903ed5b901b1543c SHA-256: 347ff9bf2b695f8573c84d8a86d26ec12da3c48113c719f809a701c777695a1b
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://golowaki.ru/wb?keyword=motorola%20surfboard%20sb6141%20lights%20meaning PDF link annotation
    • https://cdn.sqhk.co/posojuvapono/fgdPjjI/69532143627.pdfIn PDF document text
    • https://jubipolofolexi.weebly.com/uploads/1/3/2/3/132302872/026a2798e6.pdfIn PDF document text
    • https://vonulimuwudepaf.weebly.com/uploads/1/3/4/1/134131723/ce7a998cbcd4a.pdfIn PDF document text
    • http://repair-kompov.ru/43667403959cmuaz.pdfIn PDF document text
    • https://zugozoriv.weebly.com/uploads/1/3/4/7/134770463/4698746.pdfIn PDF document text
    • https://cdn.sqhk.co/ruwonumatag/egiigpS/rolling_stones_gimme_shelter_video.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451970/normal_5fe3da5e20abe.pdfIn PDF document text
    • https://likomajuf.weebly.com/uploads/1/3/5/3/135321460/032dd48c93473.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418000/normal_60035662254e6.pdfIn PDF document text
    • https://cdn.sqhk.co/mivijigonof/aThcwhc/my_movie_list_2019_malayalam.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370080/normal_6019b5995d52f.pdfIn PDF document text
    • http://swiss-gear.shop/allshare_play_for_laptopykco0.pdfIn PDF document text
    • https://cdn.sqhk.co/fusexabuvej/3jjgh1m/nuruxodafiwujimigek.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427080/normal_5ff1f5a5c65c1.pdfIn PDF document text
    • https://cdn.sqhk.co/tovipovo/d4gje0Q/reset_beats_solo_3_to_factory_settings.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/sisaxu/fiwaketamesapetiniki.pdfIn PDF document text
    • https://s3.amazonaws.com/lomuper/peferafuwinetapuvotukag.pdfIn PDF document text
    • https://s3.amazonaws.com/rijaliwiguvex/xuwibejosopuwivokipu.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_off0000c3f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC3F0 5760 bytes
SHA-256: fdfaea530158fb309c0bba85eb660b2c18daa5c5cea4a11e169c277c7ac2735d
font_01_sfnt_off0000d772.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD772 9728 bytes
SHA-256: 67f59146697d8edd62a51afbd6f2881ae42406dad8f856260da388e3ed2973da