Malicious PDF — malware analysis report

Static analysis result for SHA-256 2263dea9875f11c2…

MALICIOUS

PDF

70.3 KB Created: 2021-02-15 06:40:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 5162391f03c97ed1eebeb11c541793e2 SHA-1: 0ef5d56d638d2199fa84923d03fe47d20d66433c SHA-256: 2263dea9875f11c2e27c0a08c944fb686255afd3f51dd219f3afd316540c170c
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://bologen.ru/aws?utm_term=happy+bakra+eid+images PDF link annotation
    • https://xosebabonewita.weebly.com/uploads/1/3/4/6/134613761/0815cd0be58f80a.pdfIn PDF document text
    • http://wameduxuka.iblogger.org/zosavakezaluxuledoji.pdfIn PDF document text
    • https://dakezevowefop.weebly.com/uploads/1/3/6/0/136088489/zagobalofitexibix.pdfIn PDF document text
    • https://toroborelap.weebly.com/uploads/1/3/4/8/134867907/riganesumavif.pdfIn PDF document text
    • http://ratamaperekeja.22web.org/uk_time_in_24_hour_format_now.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454547/normal_5fee9615ccf2e.pdfIn PDF document text
    • https://cdn.sqhk.co/rajunakeb/geSihhi/zombie_cube_2_download_ios.pdfIn PDF document text
    • https://rojuligu.weebly.com/uploads/1/3/0/9/130969709/ce1b4e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446645/normal_5fcbddd16cd53.pdfIn PDF document text
    • https://kuzigojuzomuw.weebly.com/uploads/1/3/2/6/132683135/8298930.pdfIn PDF document text
    • https://kapojisu.weebly.com/uploads/1/3/2/6/132696117/3609368.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426418/normal_600639d0ba6b0.pdfIn PDF document text
    • https://cdn.sqhk.co/fegojujor/hmjaijY/61053403840.pdfIn PDF document text
    • https://refugisedenofa.weebly.com/uploads/1/3/1/3/131380322/vanipen.pdfIn PDF document text
    • https://fezadegijowazon.weebly.com/uploads/1/3/4/0/134096780/786bbc919.pdfIn PDF document text
    • https://cdn.sqhk.co/konumapedowe/j8uiau5/teddy_roosevelt_statue_defaced.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tixuxunu.epizy.com/remetaveliwuroxazuwosose.pdfIn PDF document text
    • http://sudawedano.rf.gd/fenizemafi.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_off0000d715.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD715 5516 bytes
SHA-256: c02df8b8c7859a96f5ef515ca6a1dc3ab3c71c05ab598872a356882fe43dfeb4
font_01_sfnt_off0000e9be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9BE 10096 bytes
SHA-256: 8954fbf156cc97fba9a73ef40d7f5c41762261f1c72efe536ffa38dd5a69eecb