Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6fdf97100ebe806…

MALICIOUS

PDF

64.0 KB Created: 2021-01-23 19:51:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 209548b20f9c9717d8a482075359bfd9 SHA-1: bda820e13c478f6776dea8ca71a4dba37754d6b2 SHA-256: c6fdf97100ebe806d64e90378c400da175ef9c143b3c5be4d67c1b093e07a4dc
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://baarspo.ru/aws?utm_term=aladin+bengali+song++mr+jatt PDF link annotation
    • https://wajifisawebe.weebly.com/uploads/1/3/4/4/134480175/bigilirili_posimugab_zajiginogoj_julen.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368954/normal_5fd2dc4080c9e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450424/normal_60043e529ca83.pdfIn PDF document text
    • https://setupazaz.weebly.com/uploads/1/3/4/7/134772318/9534196.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370076/normal_5fdd1d650149f.pdfIn PDF document text
    • https://cdn.sqhk.co/fovulifavu/PhgZsid/lozigir.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373527/normal_5fce0f13f26fb.pdfIn PDF document text
    • https://cdn.sqhk.co/sewadokoka/ziczjcz/idle_heroes_pve_tier_list_july_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/kupulifip/gcid9gg/national_parks_by_chimani.pdfIn PDF document text
    • https://cdn.sqhk.co/mezutorixo/HaW4hcM/pet_stores_near_me_that_sell_kittens.pdfIn PDF document text
    • https://neripekotijoba.weebly.com/uploads/1/3/2/6/132681370/xonajixobutugori.pdfIn PDF document text
    • https://nojonepidafajik.weebly.com/uploads/1/3/0/7/130775859/93283.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466153/normal_60003bd93b067.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390081/normal_5fee0d8f8c11e.pdfIn PDF document text
    • https://cdn.sqhk.co/momujolo/Cgjiihb/vr_movies_free_download.pdfIn PDF document text
    • https://lidafeli.weebly.com/uploads/1/3/4/6/134683499/fb66e4a.pdfIn PDF document text
    • https://xuwogojike.weebly.com/uploads/1/3/1/3/131380868/jodaxak.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/babuxufarizuxur/pibuwimenatoluneliwezu.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_off0000bcaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBCAA 5348 bytes
SHA-256: 1816e844db2a116de52b87bc26f1b088ba368be76e7848d5d2e50feabcff6695
font_01_sfnt_off0000cec2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCEC2 10688 bytes
SHA-256: 2ec376189218a72111b6a3b49cc519d50c3085a89521bc3328d5808f8b16e16f

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