Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d691304240aa07f…

MALICIOUS

PDF

69.9 KB Created: 2021-01-19 04:11:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 397f13d52b982cc9c9d149ab120f8390 SHA-1: 661aafacf93a1b43cdcc01bab9d74aaedba14bb7 SHA-256: 2d691304240aa07fadf6e63382211404b5feff8a2ba72a4fa48c81900a450f01
134 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 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.
  • 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://druttle.ru/wb?keyword=facebook%20messenger%20auto%20reply%20examples%20for%20business PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4414679/normal_5fb6cdb75b0ef.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403531/normal_5ffdb0ac932ec.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388626/normal_5f9264155a680.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413845/normal_5f9bd4e0de382.pdfIn PDF document text
    • http://papotupeti.iblogger.org/candy_camera_2017_version_apk.pdfIn PDF document text
    • https://site-1177547.mozfiles.com/files/1177547/34802385392.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460968/normal_5fd679480987d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412895/normal_5f9f879acc383.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4371244/normal_60013b70914d4.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pababevo.epizy.com/parexatoto.pdfIn PDF document text
    • http://jawedujap.rf.gd/kovurinitagazeteme.pdfIn PDF document text
    • http://zamoguwudegovo.rf.gd/movutonov.pdfIn PDF document text
    • http://nomekerileme.epizy.com/agglomerative_hierarchical_clustering.pdfIn PDF document text
    • http://nixewawomito.epizy.com/kopebap.pdfIn PDF document text
    • http://bejopirobi.epizy.com/funny_baby_videos_for_whatsapp_status.pdfIn PDF document text
    • http://fufabufitilaf.epizy.com/popebemunugomevobamokebef.pdfIn PDF document text
    • http://gatapin.rf.gd/lagu_blackpink_whistle_korea_versi.pdfIn PDF document text
    • http://xuwugufufokiti.epizy.com/jameson_legal_salary_guide_2019.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_off0000d19f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD19F 5664 bytes
SHA-256: b814fe5e392127b366e5d0dc80f139bb61c3ea9a1b6e89846b2bfeca43b969b7
font_01_sfnt_off0000e4dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4DC 11092 bytes
SHA-256: 0d0131ffff0d5596527e70c8123ad62f921ee774a81603cb34718103432f8c57