Malicious PDF — malware analysis report

Static analysis result for SHA-256 6deb5ea853d382df…

MALICIOUS

PDF

67.9 KB Created: 2021-03-07 02:40:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 9994e29de2a3f5ebb09b6fd757511ee0 SHA-1: c2251eb9fe54d11e8645afe9b5aad30a00894a6f SHA-256: 6deb5ea853d382df27d7b2d2435bd8a7aa2eec5c8aa8090c7c9fba0760edd210
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://xajibur.ru/wix?keyword=profusion+heater+specs PDF link annotation
    • https://cdn.sqhk.co/kakapoxavu/S5Mfbhg/juguvip.pdfIn PDF document text
    • https://cdn.sqhk.co/fovulifavu/ajgidpS/emergency_vet_chatham_ny.pdfIn PDF document text
    • https://tadilagene.weebly.com/uploads/1/3/1/3/131381422/1c739e7.pdfIn PDF document text
    • http://suzamakulamuj.mypressonline.com/sub_zero_refrigerator_parts_model_642.pdfIn PDF document text
    • https://cdn.sqhk.co/gixixutiji/hJgeghg/49100285914.pdfIn PDF document text
    • http://usesalle.xyz/314824748879xmw0.pdfIn PDF document text
    • https://zumekaxiligub.weebly.com/uploads/1/3/5/3/135385258/jivuvokiwufozono.pdfIn PDF document text
    • http://lunatan.medianewsonline.com/9008332634.pdfIn PDF document text
    • http://gejudoxe.mypressonline.com/luwutowilajefebovase.pdfIn PDF document text
    • http://dawexefif.getenjoyment.net/93906117242.pdfIn PDF document text
    • https://cdn.sqhk.co/kekelivig/fNjdhZZ/xuperuzudo.pdfIn PDF document text
    • https://cdn.sqhk.co/mujawiru/bUgiFnn/wrecking_ball_miley_cyrus_costume.pdfIn PDF document text
    • http://lunagogafoxoj.sportsontheweb.net/can_you_keep_a_secret_film_trailer_ita.pdfIn PDF document text
    • http://creditscorecard.info/16701554208xijz8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/8285a838-2ba0-41bf-8181-29bedc141b45/informatica_bdm_tutorial_videos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2819b367-a167-4b34-9ae2-d8c7012ca24b/44733995733.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/685c385f-9b38-4ef6-b37e-dbade80a6134/watchmen_the_end_is_nigh_wikipedia.pdfIn PDF document text
    • https://s3.amazonaws.com/lizuseguwix/fidovuvofuze.pdfIn PDF document text
    • https://s3.amazonaws.com/gupawupigawono/chubb_travel_insurance_application_form.pdfIn PDF document text
    • https://s3.amazonaws.com/gofilafixu/65095354366.pdfIn PDF document text
    • https://s3.amazonaws.com/tugumeb/96929857997.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6612e300-3cd3-42db-93c7-f3486c2f1f35/majujimoremura.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e5b9b895-d0c4-4db1-a86d-a33851d5743a/kuwopuna.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_off0000cc6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC6A 5072 bytes
SHA-256: 078df37409f76fe6a9627df57445ee3c89ef3b9ab08a2eb8fe458f1ac8df5d52
font_01_sfnt_off0000ddaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDAA 11072 bytes
SHA-256: 98edad472adadf546f545908f9f6bbae737584828f13390d0836a291c7c4176a

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