Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c009fdff039ed2c…

MALICIOUS

PDF

67.8 KB Created: 2021-02-22 19:47:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: e7a621b305c09077c054c0d30991c450 SHA-1: 283b0727fb630b5aa2e8be3eab68c371b7610112 SHA-256: 3c009fdff039ed2cbe7515124f4bec0aa0ba251789165cab8348791cd709fc36
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 5

  • 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 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://jacksth.ru/wix?keyword=justin+tv+soccer PDF link annotation
    • http://urro-hu.com/93456526120hi0ls.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490265/normal_602d9b63e342c.pdfIn PDF document text
    • http://creamwalls.online/how_to_pray_for_my_husband_book8kg5f.pdfIn PDF document text
    • http://winwites.space/nazudifomonifelrmwp.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489033/normal_5fc99fda76a3c.pdfIn PDF document text
    • http://amaryllis.space/916540407562nxie.pdfIn PDF document text
    • https://tiwibuvemugijaj.weebly.com/uploads/1/3/0/7/130776889/756288.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451929/normal_5fdc1011f1346.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372707/normal_60242939aca21.pdfIn PDF document text
    • https://wupanotowi.weebly.com/uploads/1/3/1/4/131406855/biditaxevegumufujej.pdfIn PDF document text
    • http://discount50it.pro/82949381418ed073.pdfIn PDF document text
    • http://bet-info.ru/tripp_trapp_newborn_set_reviewo78tu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464863/normal_5fcd9eb147b55.pdfIn PDF document text
    • http://lami-lashes.site/21334062275ozb86.pdfIn PDF document text
    • http://yesnutural.space/jodexubuvuguzotomolbx2az.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451561/normal_600f4b37692ae.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365626/normal_5febfcb7ee036.pdfIn PDF document text
    • http://pressit.space/40906201738k3462.pdfIn PDF document text
    • https://bozaveruri.weebly.com/uploads/1/3/1/4/131483492/5ab7b8a24.pdfIn PDF document text
    • http://bahis-sikayet.com/el_ser_neoliberalp8lqi.pdfIn PDF document text
    • http://vinnipoh.fun/reporting_regression_coefficients_in_textkr4gc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480408/normal_5fd84c55a81f5.pdfIn PDF document text
    • http://zespodsvetkoy.site/wallpaper_hd_for_mobile_carwph9o.pdfIn PDF document text
    • http://stal-kemerovo.ru/baby_alive_baby_grows_up_dollagune.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000cf98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF98 4600 bytes
SHA-256: 835b6ba894c367c96482584a73fd0dceb87fe12af8260ab3be682344a04ac95b
font_01_sfnt_off0000df56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF56 10008 bytes
SHA-256: bbfb2f660366b41ab7f77564535a4dd86e012dd3c123bc547a49f5a75b465b0d

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