Malicious PDF — malware analysis report

Static analysis result for SHA-256 d972d3e341131950…

MALICIOUS

PDF

70.5 KB Created: 2021-03-09 01:54:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: daadb514ef377d74b34ed53083314165 SHA-1: 73bf173dedf9f293a445c864f30a48cfffd4848d SHA-256: d972d3e341131950fa73c0f52b48706205361caf977d88961fea4249c923330e
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://mezovuduw.ru/wix?keyword=campbell+hausfeld+nail+gun+kit PDF link annotation
    • http://tulusujubige.mygamesonline.org/a_little_book_on_the_christian_life_summary.pdfIn PDF document text
    • https://bigifami.weebly.com/uploads/1/3/1/4/131407708/vinezu.pdfIn PDF document text
    • http://lightstart.xyz/adventures_in_middle_earth_character_generatorfuumd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402948/normal_600bfcd03c1e3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393028/normal_5fc71b4890beb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368227/normal_5fdd3ffe3e295.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456379/normal_5fdc3bfde6cdf.pdfIn PDF document text
    • http://xejopegig.mypressonline.com/binozikijemijuvokawowajob.pdfIn PDF document text
    • https://zufezegudowoz.weebly.com/uploads/1/3/2/6/132683286/bofazodep.pdfIn PDF document text
    • https://gakafapokizi.weebly.com/uploads/1/3/5/3/135319358/gefud-gipodo-vajudotu.pdfIn PDF document text
    • http://dirtygirl.fun/xadumipaegugm.pdfIn PDF document text
    • http://xejopegig.mypressonline.com/dell_optiplex_9010_all_in_one_max_ram.pdfIn PDF document text
    • http://rodsfish.club/gigabyte_z390_ud_overclocking_guideqvyl1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414691/normal_5fd17fab375fe.pdfIn PDF document text
    • https://radumudoxelis.weebly.com/uploads/1/3/4/2/134235428/laferokezovu-dunezisapoxip-fupezawiki.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/aa86f956-4a6f-454a-b9cd-e6e816f683ed/what_is_the_meaning_of_color_green_in_psychology.pdfIn PDF document text
    • https://s3.amazonaws.com/nerugiraxura/pixewumup.pdfIn PDF document text
    • http://bosagiriwamokin.onlinewebshop.net/75909121238.pdfIn PDF document text
    • http://zuxokoberibaw.atwebpages.com/43274271841.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4ac0435c-3dd2-4962-8249-de7cf8ba9d24/phrasal_verbs_dictionary_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/vebisop/genetica_medica_jorde.pdfIn PDF document text
    • https://s3.amazonaws.com/gavobawum/blind_flange_dimensions_in_mm.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_off0000d744.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD744 5468 bytes
SHA-256: f33a092c40570acc862f8f9ba066518a1191041e413cbd4c1d88ed38e9282dbc
font_01_sfnt_off0000e9ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9AE 10184 bytes
SHA-256: c2d7874caa9c672fdc39527f9c6227b92b3186ec7c58ef9db690e5fd6b39e4eb

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