Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ed0301219ab5dfb…

MALICIOUS

PDF

72.9 KB Created: 2021-02-20 06:19:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 862e6ea053bdbfeaab8a970df2039588 SHA-1: ee8a14bd73952eb9078db643de59a279671f4e7b SHA-256: 6ed0301219ab5dfbae9aac02aa76e3a8b43bbd1a64559af45df5ee04e1c88511
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://druttle.ru/wix?keyword=early+river+valley+civilizations+crossword+puzzle+answers PDF link annotation
    • https://sotamepepoj.weebly.com/uploads/1/3/0/8/130874386/0c195cd3d.pdfIn PDF document text
    • https://zogewuvenofo.weebly.com/uploads/1/3/2/6/132683334/813666.pdfIn PDF document text
    • https://cdn.sqhk.co/sakupiraf/ehhhhia/jixuvobesoferobowisog.pdfIn PDF document text
    • https://vagewojevibo.weebly.com/uploads/1/3/4/8/134873572/b24e492.pdfIn PDF document text
    • https://pevidutapare.weebly.com/uploads/1/3/0/7/130740538/wivumukefenuvizuv.pdfIn PDF document text
    • https://faripolugariwel.weebly.com/uploads/1/3/1/4/131453512/5034939.pdfIn PDF document text
    • https://tuvaxijilitug.weebly.com/uploads/1/3/4/6/134668501/3afdf11138e5e0.pdfIn PDF document text
    • https://zofumevovuve.weebly.com/uploads/1/3/0/8/130874077/a2779b502f6.pdfIn PDF document text
    • https://donimafu.weebly.com/uploads/1/3/5/3/135395233/855e61b0f06f3c0.pdfIn PDF document text
    • https://dukikabapesudux.weebly.com/uploads/1/3/4/1/134108868/pezelilexitoso.pdfIn PDF document text
    • https://mugijimefulex.weebly.com/uploads/1/3/1/6/131606494/4977682.pdfIn PDF document text
    • https://jubekufolofifi.weebly.com/uploads/1/3/4/5/134593927/b3e323.pdfIn PDF document text
    • https://vobulesije.weebly.com/uploads/1/3/1/8/131857334/201fb53cc4b333.pdfIn PDF document text
    • https://cdn.sqhk.co/xedaberetaj/ZIhggjK/19255644517.pdfIn PDF document text
    • https://cdn.sqhk.co/bikegola/gigjjaD/81323770526.pdfIn PDF document text
    • https://waxovidimised.weebly.com/uploads/1/3/4/4/134446407/1275775.pdfIn PDF document text
    • https://cdn.sqhk.co/fapetemiji/Gia2TBg/30823188648.pdfIn PDF document text
    • https://timodidub.weebly.com/uploads/1/3/1/3/131379596/jolup.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://suxuxuned.epizy.com/idle_poring_battle_pet_guide.pdfIn PDF document text
    • http://lobologexu.rf.gd/biomedical_informatics_osu.pdfIn PDF document text
    • http://futoxivugumerav.epizy.com/bless_the_broken_road_selah_sheet_music.pdfIn PDF document text
    • http://bogasupi.rf.gd/depun.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_off0000e109.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE109 5328 bytes
SHA-256: 45d0bbb81889833ce7bbf7f44179597997e650875018ef5e0df52440f2e69d6e
font_01_sfnt_off0000f362.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF362 10076 bytes
SHA-256: cd028087c0c3e94e1cfde7b82052f8cd599b7e9df768a4847393eb1948d4d6d7

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