Malicious PDF — malware analysis report

Static analysis result for SHA-256 7199b4fd78b438b1…

MALICIOUS

PDF

69.9 KB Created: 2021-03-02 06:52:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 41390db12cc88bb494d4b2e5814e938d SHA-1: 08d3c81915aac5754c1f099897a4569dc4d2bf35 SHA-256: 7199b4fd78b438b1e0927361636f81fe29ab2d971177389d210690f36bff822e
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://botokaw.ru/award?keyword=how+much+do+christmas+trees+cost+in+florida PDF link annotation
    • https://panebafizi.weebly.com/uploads/1/3/4/3/134365464/mojiz.pdfIn PDF document text
    • https://doluxofaxomivu.weebly.com/uploads/1/3/4/7/134715621/gumikab.pdfIn PDF document text
    • https://wajirabipuxu.weebly.com/uploads/1/3/0/8/130874591/jevudozux-xezole.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445128/normal_600262d94a000.pdfIn PDF document text
    • http://findfreegirl.com/aov_jungle_guideb09m8.pdfIn PDF document text
    • http://detonic-deutschland.website/norton_anthology_of_world_literature_shorter_3rd_edition_volume_2yfxe6.pdfIn PDF document text
    • https://zanazajerepa.weebly.com/uploads/1/3/4/0/134012527/ac3aafafbce.pdfIn PDF document text
    • https://denosofebulapan.weebly.com/uploads/1/3/5/3/135347567/wadewivarefin-mobavojutebeton.pdfIn PDF document text
    • https://fewegako.weebly.com/uploads/1/3/1/4/131453302/fatij-sikes.pdfIn PDF document text
    • http://dreamingdeveloper.com/funny_guys_halloween_costumes_202097cpl.pdfIn PDF document text
    • http://chambreop.xyz/91245750498b4aqd.pdfIn PDF document text
    • https://mimitokiwunas.weebly.com/uploads/1/3/4/0/134012498/lulejabopu_bisavopusoviju_kujum.pdfIn PDF document text
    • https://kaxamutibe.weebly.com/uploads/1/3/5/3/135348628/3614808.pdfIn PDF document text
    • http://muxonobugimaki.22web.org/alagappan_medicine_7th_edition_free.pdfIn PDF document text
    • https://cdn.sqhk.co/sixitigoxeto/hxgi0hf/zara_home_customer_service_usa.pdfIn PDF document text
    • https://posajegodat.weebly.com/uploads/1/3/4/4/134477503/901fec7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483602/normal_5fd2c5c74a391.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482631/normal_5ffd30112acbc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369930/normal_600723d6de7f2.pdfIn PDF document text
    • http://jeratojovu.66ghz.com/36986405429.pdfIn PDF document text
    • https://zegekeli.weebly.com/uploads/1/3/4/6/134616407/6130834.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zonusaminotupe.epizy.com/nibogavomawusexig.pdfIn PDF document text
    • http://zovixis.epizy.com/51793899772.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_off0000d636.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD636 5316 bytes
SHA-256: 66ad6e0e5b6fb7208ff0117e107834f1f7996c7644513169e0bb27761249e9c5
font_01_sfnt_off0000e82a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE82A 9928 bytes
SHA-256: cee71002f5af6f9fe5496ab1d9913769a655741440c772458a8ea3e80ac22a82

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