Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e17f41e10869c4b…

MALICIOUS

PDF

72.3 KB Created: 2021-02-19 06:52:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 0bc364a3760113caa730a1fc85635f43 SHA-1: b1c83928aeffa3fcf4a463ad7c28511ed61016f2 SHA-256: 2e17f41e10869c4b8306685234acdbbd3f44bd4287db5367602741a93dc5d617
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=showbox+app+apk+for+android PDF link annotation
    • https://cdn.sqhk.co/disonixures/L6ifK1k/fitness_ball_exercises_for_back_pain.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453532/normal_601df98d63396.pdfIn PDF document text
    • https://cdn.sqhk.co/vekuperik/hBsHjiO/wevuretasikaj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419857/normal_60299ac7b0d94.pdfIn PDF document text
    • http://helpcontactform.com/5818768241547bmz.pdfIn PDF document text
    • http://ogranicbio.fun/calculate_with_confidence_7th_editionsvrqw.pdfIn PDF document text
    • https://cdn.sqhk.co/toxodimina/ljjhdjh/coffin_acrylic_nails_french_tip.pdfIn PDF document text
    • http://igrarazuma.info/duck_hunting_kayak_with_dogwt2wv.pdfIn PDF document text
    • https://cdn.sqhk.co/kunimoxifagi/ihdKZa9/flame_hero_mod_apk_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/vimanagadu/hqia3ji/biker_mice_from_mars_2006_episode_1.pdfIn PDF document text
    • https://tazowodogakog.weebly.com/uploads/1/3/1/4/131437711/5521547.pdfIn PDF document text
    • https://cdn.sqhk.co/xenivoronizu/geja5he/artificial_nails_salon_near_me.pdfIn PDF document text
    • https://cdn.sqhk.co/diwamukef/gjighja/son_of_zeus_netflix_hades.pdfIn PDF document text
    • https://sosufafa.weebly.com/uploads/1/3/4/8/134862430/ad477ffd5a3.pdfIn PDF document text
    • http://zebrait.fun/principios_de_anatomia_y_fisiologia_tortora_gratispz92r.pdfIn PDF document text
    • https://cdn.sqhk.co/molavagew/iihibWj/cfo_job_description_small_business.pdfIn PDF document text
    • https://pedasivu.weebly.com/uploads/1/3/5/3/135387907/2392677.pdfIn PDF document text
    • https://cdn.sqhk.co/sifajoxojif/dFhbhhH/drift_mania_street_outlaws_lite_mod_apk.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d25c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD25C 4976 bytes
SHA-256: 64c7c12fd934f35f1ad3fc5726e1a146d3444153b8794ef3efd126425baee1c7
font_01_sfnt_off0000e33a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE33A 10184 bytes
SHA-256: a6233619c0c07cd41fb650b017ac58f6728f98fa04527449be3201be2edd44ef
font_02_sfnt_off00010614.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10614 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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