Malicious PDF — malware analysis report

Static analysis result for SHA-256 1802fe5a615f7974…

MALICIOUS

PDF

73.1 KB Created: 2021-02-17 02:24:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: ad008d1a3f8b7563aa63d0404ed93596 SHA-1: 5b6db0e0badafd2650ef9cd4d14811a580f89172 SHA-256: 1802fe5a615f79748c035dc3b594b39471f1e51b527b5a660e323dec87c15cbf
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://jottigo.ru/wix?keyword=funny+chat+spam+csgo PDF link annotation
    • https://lizoxezubim.weebly.com/uploads/1/3/0/7/130776499/nanoxajuf-tusorobema-gotumun.pdfIn PDF document text
    • https://cdn.sqhk.co/guwaloxipete/idlZmiy/wujapiwejigobixib.pdfIn PDF document text
    • https://cdn.sqhk.co/sesexibanobu/phijo9Z/jadaduvabeveredawadikuvun.pdfIn PDF document text
    • https://cdn.sqhk.co/dowusutitozi/6rsja0Z/jidido.pdfIn PDF document text
    • https://vosikobogoj.weebly.com/uploads/1/3/4/2/134235386/rarari_nufaledot_gorawamo.pdfIn PDF document text
    • http://avit0.cc/alan_watts_become_what_you_are3z8ar.pdfIn PDF document text
    • http://reduslimitalia-official.website/654416779840z5g2.pdfIn PDF document text
    • https://cdn.sqhk.co/donaxewon/mji3Yph/fotipojinexa.pdfIn PDF document text
    • https://cdn.sqhk.co/nogorodizet/kEijjbl/old_national_bank_evansville_in_washington_ave.pdfIn PDF document text
    • http://mihetos.xyz/mukuvorjzfmy.pdfIn PDF document text
    • http://twenty-promo2020.ru/344285334826w4o1.pdfIn PDF document text
    • https://fekazivijiwawad.weebly.com/uploads/1/3/4/6/134687088/6e097ef517f1110.pdfIn PDF document text
    • http://reestr.site/2014_chrysler_town_and_country_ves_manualysa69.pdfIn PDF document text
    • https://cdn.sqhk.co/dogilijesiwu/b6gc1PE/21356022785.pdfIn PDF document text
    • https://cdn.sqhk.co/vekuzajomugi/yjeOijF/samsung_galaxy_buds_plus_warranty_registration.pdfIn PDF document text
    • http://topcabinets.xyz/internet_video_er_para_androidu7cna.pdfIn PDF document text
    • http://fasad-dom.site/beardsley_aesthetics_problems_in_the_philosophy_of_criticismfdb22.pdfIn PDF document text
    • http://investmag.org/make_background_image_repeat_x_android0mc9y.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d459.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD459 5276 bytes
SHA-256: 6d398b904460acc5c0a3ba2302785b4b9af5d3ee1af8dd7979efb67e4b5fd322
font_01_sfnt_off0000e635.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE635 2840 bytes
SHA-256: c92db078cf7f00287c448379217e92bb61f49c71620ac20eaa0b71a51aa25f43
font_02_sfnt_off0000f26a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF26A 10684 bytes
SHA-256: 6beaf3b32789023414767f0dce96f3a74ee4e541f4553e36e9b9e7660bbced56

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