Malicious PDF — malware analysis report

Static analysis result for SHA-256 c046ae006933e243…

MALICIOUS

PDF

71.2 KB Created: 2021-02-16 05:45:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 94ec05a9ed29b0b9fe0f8a9e44b6d038 SHA-1: f585e5b5dff7ad1949c20484ed5a9707334aea6d SHA-256: c046ae006933e2433ee8597349db5b7295f8372496c7d253e291bf0dd0bcce5a
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://seumenha.ru/wix?keyword=expensive+things+to+buy+that+start+with+j PDF link annotation
    • https://disumudumoronu.weebly.com/uploads/1/3/1/4/131408153/8437420.pdfIn PDF document text
    • https://vuguwawu.weebly.com/uploads/1/3/0/7/130776175/491446.pdfIn PDF document text
    • https://fajorisovobune.weebly.com/uploads/1/3/4/7/134752278/4761546.pdfIn PDF document text
    • http://burrrhey.tech/897428069313alnm.pdfIn PDF document text
    • https://jodowofimen.weebly.com/uploads/1/3/5/3/135330599/4892282.pdfIn PDF document text
    • http://rankingcoach-apps.com/medicina_fisica_y_rehabilitacion_krusenyix6p.pdfIn PDF document text
    • http://trokot-newshop.online/everything_i_never_told_you_full_book_free_download09ytu.pdfIn PDF document text
    • https://nupuwuzom.weebly.com/uploads/1/3/1/4/131438231/dexikaludife_pilisajopur_fakopepitano_jidesoromurumi.pdfIn PDF document text
    • https://napopetonepew.weebly.com/uploads/1/3/1/1/131164038/todes.pdfIn PDF document text
    • http://awpmode.com/bacula_windows_64_bitsrj8ml.pdfIn PDF document text
    • https://sivesasa.weebly.com/uploads/1/3/4/6/134669324/575538.pdfIn PDF document text
    • http://parubexe.iblogger.org/wizipozabodifemadafurit.pdfIn PDF document text
    • https://pukotegifo.weebly.com/uploads/1/3/0/8/130874060/rabeserodejosogo.pdfIn PDF document text
    • https://danodukuwen.weebly.com/uploads/1/3/1/6/131637043/mukosugir_libuse.pdfIn PDF document text
    • http://bigtittybella.com/98956279766d257h.pdfIn PDF document text
    • https://niraniki.weebly.com/uploads/1/3/4/6/134662237/lipip-fesivilerusime-xozagogeparezo.pdfIn PDF document text
    • http://baxijemapuzoxu.22web.org/2003636674.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dixuzudes.epizy.com/a_n_m_long_form.pdfIn PDF document text
    • http://fekofenuxekit.rf.gd/pogujipakezuxamix.pdfIn PDF document text
    • http://kekabifaku.rf.gd/vokit.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_off0000d816.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD816 5544 bytes
SHA-256: ecca36e7e50740a27a29ea0be4ba42f1f2f19ecce2f96b4a09a5e77972c1af6a
font_01_sfnt_off0000eb11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB11 10600 bytes
SHA-256: 6c61816b029c5be8c1ae62a26f3c0c2c65fcda6e6287ea1b5e17524e5717c2b8

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