Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e513bf96e7b7b17…

MALICIOUS

PDF

69.1 KB Created: 2021-03-11 23:25:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 29c8f9adc8bab5e16f62c8281f908574 SHA-1: f34c83b76c3815084d6e5d0481d8728bfef55caf SHA-256: 6e513bf96e7b7b17e71be88afdd5f0bfeb9f3f0ab29022e0bd28674ec83aa4d0
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://xajibur.ru/wix?keyword=eyebrow+threading+west+sacramento PDF link annotation
    • https://nimomobef.weebly.com/uploads/1/3/4/4/134458394/9378728.pdfIn PDF document text
    • https://cdn.sqhk.co/demanajinu/hdjhBoS/rpg_spectral_souls_mod_apk.pdfIn PDF document text
    • http://lopitimew.mygamesonline.org/dejozaxu.pdfIn PDF document text
    • https://kasexesupa.weebly.com/uploads/1/3/1/4/131437862/rofonedetemafa-zipavadimovex-fabilugu-guxagavowebuxop.pdfIn PDF document text
    • http://lenuvivureropi.scienceontheweb.net/cracking_the_code_3rd_edition_download.pdfIn PDF document text
    • https://fosuwelu.weebly.com/uploads/1/3/2/6/132695698/44cec083596af.pdfIn PDF document text
    • https://xadijonoru.weebly.com/uploads/1/3/3/9/133997446/4f68a73e5.pdfIn PDF document text
    • https://cdn.sqhk.co/bupitagalir/QKji0AZ/among_us_emergency_button_png.pdfIn PDF document text
    • http://pagavopalubutu.scienceontheweb.net/bavenabujemiromoxeluzo.pdfIn PDF document text
    • http://zereteleriw.getenjoyment.net/31191479649.pdfIn PDF document text
    • https://cdn.sqhk.co/ruwonumatag/Vicibja/bedroom_furniture_sets_with_desk_uk.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/577d8869-8946-434a-bba6-3cf633bb2735/17513402768.pdfIn PDF document text
    • https://c7bff75e-0a19-4817-9d47-fca4cf08161b.filesusr.com/ugd/3b6424_f3703ecfeb96476cbea7bd08782766d1.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xakajoziwibi/what_is_the_purpose_of_lawyer_to_give_speech.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0822450-a16f-48bf-bf5b-eaf4dd5778a3/dell_inspiron_6400_ram_upgrade.pdfIn PDF document text
    • https://s3.amazonaws.com/warapagefasovi/european_glaucoma_society_guidelines_2014.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/280fc52b-4b54-4e30-879f-07863eae66b5/sevuwonefuxeba.pdfIn PDF document text
    • https://0ed7c29b-d5f2-4290-8b47-add6aa38300d.filesusr.com/ugd/32a223_fe8a0a969b8f44439151f6b957b5ed30.pdf?index=trueIn 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_off0000d1a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1A7 5612 bytes
SHA-256: 92defb01bb4e8391cb3434ac2bff2813e698d1772d65f4825640544f7a5e4372
font_01_sfnt_off0000e4ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4AE 10164 bytes
SHA-256: efeaafa66c916e41cc1a2ea7ddf584a44bb320f7a31f427913f85c7bc5e2b05c

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