Malicious PDF — malware analysis report

Static analysis result for SHA-256 740f7e6ca2ef2cd6…

MALICIOUS

PDF

75.0 KB Created: 2021-02-09 13:40:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 199d5c05bc23deacc72c52cc6b5f15c2 SHA-1: 42834238e5210d999c087a44a4a7ebc8c54fce44 SHA-256: 740f7e6ca2ef2cd653f179acd0a084683052c7eddc3a4d69672f6e9d6e74d1b8
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://baarspo.ru/123?utm_term=glow+in+the+dark+party+supplies+cape+town PDF link annotation
    • https://cdn.sqhk.co/lipebefaje/gD1cqjd/68846375493.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447460/normal_5fe5d40416883.pdfIn PDF document text
    • https://cdn.sqhk.co/salefudodid/NjjahiD/woodworking_guide_eso.pdfIn PDF document text
    • https://nukofagola.weebly.com/uploads/1/3/4/8/134883999/04e7288a79.pdfIn PDF document text
    • https://cdn.sqhk.co/sojejinof/hicihjg/dragon_ball_journey_to_the_west_similarities.pdfIn PDF document text
    • https://cdn.sqhk.co/tunuviju/hbYUfNo/lojofegofa.pdfIn PDF document text
    • http://kopavavabigi.66ghz.com/lg_g7_android_9_new_features.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414849/normal_5ff8aeed7db86.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/luropi/zutugusurilukojuworej.pdfIn PDF document text
    • http://roxigivakupumun.epizy.com/58221339554.pdfIn PDF document text
    • http://xagazusapikim.epizy.com/foxidiza.pdfIn PDF document text
    • https://s3.amazonaws.com/pivetuzadujo/63031847915.pdfIn PDF document text
    • http://lamekukibudinos.epizy.com/28880160901.pdfIn PDF document text
    • http://bovubodomumid.epizy.com/ganpati_atharvashirsha_marathi.pdfIn PDF document text
    • https://s3.amazonaws.com/lososimap/mafiwafugonux.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_off0000e78d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE78D 5448 bytes
SHA-256: a9fa307e99aedfa50583ddbb2b8fe5621b7e4d49ec3181e52926540326bc941d
font_01_sfnt_off0000fa27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA27 10824 bytes
SHA-256: 70593e0e4b7942a6820e11c75534f9fc1a2ecdd7d09ceeecb72b9d5cf3674e80