Malicious PDF — malware analysis report

Static analysis result for SHA-256 47749e0e5651bf1f…

MALICIOUS

PDF

72.2 KB Created: 2021-02-10 03:54:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 75dde2c40e276e068f040ec6e34a4840 SHA-1: ff3c4c415ff1790ebb0c791d1c905193973424fa SHA-256: 47749e0e5651bf1f45022021ca29a786793b9a855adf762e4176ee1d178558a0
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://maypoin.ru/wb?keyword=digital%20marketing%20plan%20template%20ppt PDF link annotation
    • https://bumiwawewa.weebly.com/uploads/1/3/5/3/135343946/rajof-burikumaga-meler.pdfIn PDF document text
    • http://didezidise.22web.org/84152703930.pdfIn PDF document text
    • https://cdn.sqhk.co/pemejurove/ijecgsV/15854644312.pdfIn PDF document text
    • https://debamivuk.weebly.com/uploads/1/3/1/8/131871977/5765829.pdfIn PDF document text
    • http://tudiweva.22web.org/naguzivegag.pdfIn PDF document text
    • https://cdn.sqhk.co/detaludolef/ahdhche/5141303279.pdfIn PDF document text
    • https://sadozilodefizon.weebly.com/uploads/1/3/4/6/134659806/545c87305ba7d.pdfIn PDF document text
    • https://cdn.sqhk.co/novimabe/h6QgdwF/fogofaton.pdfIn PDF document text
    • https://jumomemokipus.weebly.com/uploads/1/3/0/8/130874307/nobetobediji.pdfIn PDF document text
    • https://fokepepepaxa.weebly.com/uploads/1/3/1/4/131483327/dasipajuzazi-gifanuvo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426087/normal_5fe2e679e3062.pdfIn PDF document text
    • https://cdn.sqhk.co/tinolefowi/7ogcijf/dilatamototaposuxifarum.pdfIn PDF document text
    • https://deremorukoj.weebly.com/uploads/1/3/4/4/134490203/95a895a.pdfIn PDF document text
    • https://rurusoweloxefug.weebly.com/uploads/1/3/3/9/133989150/pidafededow.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/vavebufevodutob/right_answer_sound_effect.pdfIn PDF document text
    • http://tizepadeda.rf.gd/47696059857.pdfIn PDF document text
    • https://s3.amazonaws.com/vaxebisapesi/kayn_guide_s9.pdfIn PDF document text
    • http://sogisujomixugo.epizy.com/kajumunumuxin.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_off0000dd2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD2A 5024 bytes
SHA-256: 4f62b7e98d03f6680d3d5b7716065693dd10d0d1ff62974fa158797e0487e102
font_01_sfnt_off0000ee35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE35 11304 bytes
SHA-256: b96e367c20ae89c1d66a34ac707ec0e60124278d38fc85e4c4a2cb23e0fecc5f

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