Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d2b6bded8e3d374…

MALICIOUS

PDF

65.7 KB Created: 2021-03-07 09:49:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: e44ba7763bcd48a53cd46544ef231822 SHA-1: 4ea76344836c4f0ebfc8535b484431b9e32d3d61 SHA-256: 2d2b6bded8e3d374b9365b829c6c4ea9f1730a11ff256c98dade19b3560d972f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://druttle.ru/award?keyword=how+to+set+up+hotspot+on+verizon+iphone+xr PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4372354/normal_603ab38f7b885.pdfIn PDF document text
    • http://sitizinudex.getenjoyment.net/contax_t2_battery_cover.pdfIn PDF document text
    • http://nizavevorupuj.mywebcommunity.org/samsung_chef_collection_refrigerator_forced_defrost.pdfIn PDF document text
    • http://zakomuxoza.getenjoyment.net/bistec_wr30m_watch_price.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481527/normal_60332d8248854.pdfIn PDF document text
    • http://gepexoliv.medianewsonline.com/vans_old_skool_platform_white_australia.pdfIn PDF document text
    • http://mobufuwiwid.medianewsonline.com/whirlpool_cabrio_he_washer_error_code_lf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410702/normal_600a778b42cc4.pdfIn PDF document text
    • http://xakidofe.sportsontheweb.net/zosuvizalubarisamenu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454546/normal_601fef7d3921f.pdfIn PDF document text
    • http://kowojolajamuv.getenjoyment.net/goviw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jimomurapujivo.onlinewebshop.net/jowebidulamalemufedelozi.pdfIn PDF document text
    • http://wugujub.onlinewebshop.net/25754928181.pdfIn PDF document text
    • https://s3.amazonaws.com/fotepopunaj/77351336400.pdfIn PDF document text
    • http://nibemodida.myartsonline.com/dawala.pdfIn PDF document text
    • https://s3.amazonaws.com/gekojulog/baofeng_uv-_3r_programming_software.pdfIn PDF document text
    • https://s3.amazonaws.com/jiwotarotavuz/a_f_full_form_in_drawing.pdfIn PDF document text
    • http://lejiletuvasipib.onlinewebshop.net/mepirivasorarefupa.pdfIn PDF document text
    • http://disoluje.myartsonline.com/24471353720.pdfIn PDF document text
    • http://wotidupodugi.myartsonline.com/self_dependent_synonyms_in_hindi.pdfIn PDF document text
    • https://s3.amazonaws.com/donake/math_worksheets_grade_4_division.pdfIn PDF document text
    • https://s3.amazonaws.com/godewumazek/detufulidolanunuviku.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_off0000c788.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC788 4896 bytes
SHA-256: 388bf981e1e522ed54dc8c266fcd848e56345f7ea620c63bdc6f98bff904e1c0
font_01_sfnt_off0000d84b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD84B 9620 bytes
SHA-256: 4a3ff019d30bea377e3148c512f3cd3e9870b328e31cfafac624004ddea2fbed

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