Malicious PDF — malware analysis report

Static analysis result for SHA-256 00dd023145c46a2a…

MALICIOUS

PDF

69.0 KB Created: 2021-03-10 01:08:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: f222e90fef7851c268311c0aad98c5a3 SHA-1: 5a9f1ed721a99a3c06c7b97c31f1fdb73a74c8b8 SHA-256: 00dd023145c46a2a7b9da622d7716e07cf00a4c1f36ff6094e0090a96854f5db
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://druttle.ru/award?keyword=animal+symmetry+worksheets+pdf PDF link annotation
    • https://cdn.sqhk.co/rizinutix/M69iggj/detigabe.pdfIn PDF document text
    • https://telixezudaridif.weebly.com/uploads/1/3/0/7/130775339/dijepano.pdfIn PDF document text
    • https://xuzitimezavut.weebly.com/uploads/1/3/1/8/131856372/16b24001e8a.pdfIn PDF document text
    • https://kofagegupuk.weebly.com/uploads/1/3/2/3/132302723/zedijeduwanu.pdfIn PDF document text
    • https://cdn.sqhk.co/nugilatunu/Yhfieie/48289045114.pdfIn PDF document text
    • https://wunaramalus.weebly.com/uploads/1/3/4/5/134576193/8ac2c.pdfIn PDF document text
    • https://todolomakesawad.weebly.com/uploads/1/3/4/4/134479917/6d9545e.pdfIn PDF document text
    • https://motutipe.weebly.com/uploads/1/3/4/6/134674000/dateveladu.pdfIn PDF document text
    • https://gebedosoxabitox.weebly.com/uploads/1/3/5/3/135324181/5619313.pdfIn PDF document text
    • http://madewithsunshine.com/648409943638d68p.pdfIn PDF document text
    • http://collegegraduatecentraldating.com/vivekodikabodonebop3jne5.pdfIn PDF document text
    • https://cdn.sqhk.co/nuvurero/gUjdFWz/xigifavafa.pdfIn PDF document text
    • http://xufededubumavif.scienceontheweb.net/xesavijowigeviwutulebuw.pdfIn PDF document text
    • http://1xbet-registr.site/puvadupizasevuxalrhczr.pdfIn PDF document text
    • http://tapagigozi.medianewsonline.com/karogexagevisodibivufir.pdfIn PDF document text
    • http://barcaporirternet-interbank-pe.com/how_to_install_badger_100_garbage_disposalpqad3.pdfIn PDF document text
    • https://cdn.sqhk.co/puxolika/bIhc3hi/gosevutudokimagofawuzatof.pdfIn PDF document text
    • https://cdn.sqhk.co/rufopunuk/mswYjia/6095126663.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/mejados/google_arcore_demo_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwamoxamo/cuisine_royale_free.pdfIn PDF document text
    • http://gajopule.myartsonline.com/how_old_to_start_playing_tennis.pdfIn PDF document text
    • https://s3.amazonaws.com/gapivegek/manifest_discrepancy_report_form.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_off0000d171.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD171 5528 bytes
SHA-256: 45ded7d088dc985704c7ff0f2b4d7e5c0ae5f3f30a8e0289a19046a39410eaa1
font_01_sfnt_off0000e428.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE428 10080 bytes
SHA-256: 174bd3a509a6ff32030d9f2e6d60d8806193484eab472f0022f6f70fd51645a2

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