Malicious PDF — malware analysis report

Static analysis result for SHA-256 47b74ed301e26d06…

MALICIOUS

PDF

72.7 KB Created: 2021-02-22 03:13:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 5194b87ee151152014be19bb5f54e736 SHA-1: d7b0c7d44cc447a8446601f303744174c93ddb04 SHA-256: 47b74ed301e26d06ab125a3b9a282dae18275250ac307dd6e982fcb8e97f1773
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://jacksth.ru/wix?keyword=grilled+shrimp+tacos+recipe PDF link annotation
    • https://mewasopaligesar.weebly.com/uploads/1/3/1/4/131454012/zajupulubigoko-tozenakilawa.pdfIn PDF document text
    • https://sifukimoja.weebly.com/uploads/1/3/4/3/134357082/gonexux.pdfIn PDF document text
    • https://nemabofafuz.weebly.com/uploads/1/3/5/3/135389169/bokol.pdfIn PDF document text
    • https://pigogokeda.weebly.com/uploads/1/3/1/8/131857695/5139769.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372960/normal_602263d8705a7.pdfIn PDF document text
    • https://silavetej.weebly.com/uploads/1/3/5/3/135314504/xijirewawaj.pdfIn PDF document text
    • https://xewulatejema.weebly.com/uploads/1/3/5/3/135345986/bejojevelum.pdfIn PDF document text
    • http://m-ryanaf.site/recep_ivedik_gta_san_andreas27l62.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464730/normal_5feee9801a236.pdfIn PDF document text
    • https://wunogalabapa.weebly.com/uploads/1/3/4/6/134603674/6551144.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388289/normal_5fe9cdd7774fa.pdfIn PDF document text
    • https://sevafigetof.weebly.com/uploads/1/3/4/9/134902911/miraxisosavodavuroge.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457008/normal_600c98c280996.pdfIn PDF document text
    • https://bigonokefexix.weebly.com/uploads/1/3/4/5/134518339/logadulovoxeberasew.pdfIn PDF document text
    • https://faliroralomi.weebly.com/uploads/1/3/0/8/130874474/6837027.pdfIn PDF document text
    • http://shimano-stradic.ru/6105798812271dpy.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kefuvazaleneze.rf.gd/crystal_reports_data_from_two_databases.pdfIn PDF document text
    • http://vabowako.rf.gd/amelie_movie_music.pdfIn PDF document text
    • http://redepulevinevux.epizy.com/rokupofapi.pdfIn PDF document text
    • http://vazavaxajude.rf.gd/windows_7_activation_key_generator_free.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_off0000dfa8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFA8 5344 bytes
SHA-256: 3218a54e1a91fe980b3a59c125f76985078716dfd6ae1246e9c37cbb3a7c0075
font_01_sfnt_off0000f1a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1A3 10556 bytes
SHA-256: 8ea15bace93f816e8a11d711140625ea41cc4ef95f2c5e5338b760b0fbb79f4a

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