Malicious PDF — malware analysis report

Static analysis result for SHA-256 235b9c7b4aa0013e…

MALICIOUS

PDF

65.3 KB Created: 2021-02-09 01:56:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: b3a741f067bca6e7e9b8770779eb3fe0 SHA-1: 5978106c16d19c2b4301aec428ed5bd586362545 SHA-256: 235b9c7b4aa0013ee2a6018cd2cadb8c0cdb85b06f2c511aacbc96a6aa599ec3
126 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
  • 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://druttle.ru/aws?utm_term=mysore+palace+information+in+kannada PDF link annotation
    • http://copyrightnotice-ig.com/98879114435av6g8.pdfIn PDF document text
    • https://cdn.sqhk.co/wediximewoza/SFjncia/fake_call_prank_lite_girlfriend.pdfIn PDF document text
    • https://cdn.sqhk.co/lerapuraroke/dFegiux/chocolate_ice_cream_recipes_without_heavy_cream.pdfIn PDF document text
    • https://cdn.sqhk.co/bizujutenifo/ggGifhb/alchemy_of_nature_meaning_in_marathi.pdfIn PDF document text
    • http://italia-doc.space/digestion_de_carbohidratos_lipidos_y_proteinasx9tuw.pdfIn PDF document text
    • https://cdn.sqhk.co/jimikafede/haA6Pss/enjoy_learning_constellation_puzzles.pdfIn PDF document text
    • https://cdn.sqhk.co/semiwewedazi/jjgeTjf/37191524429.pdfIn PDF document text
    • http://legrand-spb.ru/kofabuwanupuvrhpp.pdfIn PDF document text
    • https://cdn.sqhk.co/nupumusu/l2R3whc/black_screen_on_iphone_8_plus.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451932/normal_5fe34f4905199.pdfIn PDF document text
    • http://coolvdomaion.online/dragonstar_guide_to_the_galaxylxvng.pdfIn PDF document text
    • http://espacecmb.xyz/designing_brand_identity_epub47rht.pdfIn PDF document text
    • http://lnstagram-verificationbadgeform.com/125160956910zfa2.pdfIn PDF document text
    • http://dezlice.ru/18237368207dfn65.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pagupim.epizy.com/27536469275.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_off0000c338.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC338 5472 bytes
SHA-256: 8a58df1bd7279bbf79987fbed0188a8455dacd1a8cdd2a9a55ba1fadd0cedcde
font_01_sfnt_off0000d5d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5D4 10192 bytes
SHA-256: 6c72690f9f0170ec93a8dab22e60820de721e552b5f8a071de9d3279a8243af8