Malicious PDF — malware analysis report

Static analysis result for SHA-256 d504e0aeb028c5c3…

MALICIOUS

PDF

69.4 KB Created: 2021-02-17 00:40:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: fde075c466dc764c95d15b2d5b79ecc9 SHA-1: bcaff0bfbf34e340f11fbf7a494340d2d159a86f SHA-256: d504e0aeb028c5c36bc8a9b048c5f0725e3f043e2128ff5eec264204ab6ca579
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://maypoin.ru/aws?utm_term=old+genie+garage+door+opener+learn+button PDF link annotation
    • https://nenesezeli.weebly.com/uploads/1/3/0/7/130775424/dcbcf95579db2.pdfIn PDF document text
    • https://wikabolodaj.weebly.com/uploads/1/3/4/6/134648749/6241969.pdfIn PDF document text
    • https://fobepuwup.weebly.com/uploads/1/3/1/0/131070598/fivurulak.pdfIn PDF document text
    • http://vixerixobo.22web.org/linksys_wrt120n_reset_admin_password.pdfIn PDF document text
    • https://gunagejosiva.weebly.com/uploads/1/3/0/7/130738835/3428881.pdfIn PDF document text
    • http://drilltech.info/der_eisendrache_easter_egg_guidea09pk.pdfIn PDF document text
    • https://cdn.sqhk.co/faxenukev/hJOW1ib/texas_holdem_poker_3d_deluxe_edition_download_full.pdfIn PDF document text
    • https://zorikibezoxima.weebly.com/uploads/1/3/1/3/131384208/7ebfb8aa0038fd0.pdfIn PDF document text
    • http://yoptan.space/vufugumitewewobagalagumlz.pdfIn PDF document text
    • https://vepenisa.weebly.com/uploads/1/3/4/3/134339982/64750.pdfIn PDF document text
    • https://ruliduwaj.weebly.com/uploads/1/3/4/0/134016670/takupidilorex.pdfIn PDF document text
    • https://cdn.sqhk.co/xumesapaxoku/haggF7t/16191512224.pdfIn PDF document text
    • https://jawejeletisib.weebly.com/uploads/1/3/4/8/134886371/sasakazasido.pdfIn PDF document text
    • https://wokopapun.weebly.com/uploads/1/3/5/3/135388848/3c42be099f10.pdfIn PDF document text
    • http://amsidisi.xyz/vejenalifizatm1c8y.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pavasokunise.epizy.com/26309288137.pdfIn PDF document text
    • http://likijanima.epizy.com/anti_subversion_law.pdfIn PDF document text
    • http://tafikepuvanotu.epizy.com/automotive_spice_guidelines_1st_edition_2017.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d2b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2B9 5116 bytes
SHA-256: 833788c2d21943bc03daa0d308247ce96ffb002ac2fa49937823d70a94ecb5ef
font_01_sfnt_off0000e422.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE422 10632 bytes
SHA-256: 725fc9a4bff4e7c52c29728dd6a3bbf9f1cbdf3e238911c0e91733d64e0335af

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