Malicious PDF — malware analysis report

Static analysis result for SHA-256 032ce36751f048e7…

MALICIOUS

PDF

72.9 KB Created: 2021-02-25 03:15:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-01
MD5: d3bc488574a044ffd5ad4aea65fd1da8 SHA-1: bcd18e3f1ac034c0b33a76886c97f2e4da09d77f SHA-256: 032ce36751f048e7c390c0b1f4a7f56911830721af37df2245b0cf466aefbf9c
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://baarspo.ru/award?keyword=how+to+form+a+nonprofit+organization+in+georgia PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4384142/normal_600108dce90ba.pdfIn PDF document text
    • https://silepokow.weebly.com/uploads/1/3/4/3/134366863/e9b0b0.pdfIn PDF document text
    • http://bazazodagipaju.22web.org/sebedadobik.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369772/normal_5fe99b0fcc176.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4452609/normal_5fccbc3fb0452.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466154/normal_6000e74eed97f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450243/normal_601579272db18.pdfIn PDF document text
    • https://cdn.sqhk.co/sifalavuxozo/mojbehc/milton_maize_maze_discount_code.pdfIn PDF document text
    • https://mamubata.weebly.com/uploads/1/3/4/5/134598765/6674217.pdfIn PDF document text
    • https://cdn.sqhk.co/wokiwife/h7vD0if/52291037804.pdfIn PDF document text
    • https://cdn.sqhk.co/fagisuxupinu/Hhccjbi/resident_evil_7_review_acg.pdfIn PDF document text
    • https://cdn.sqhk.co/daxegajok/icjcYig/sharpening_stone_oil_norton_sds.pdfIn PDF document text
    • http://topstop.site/58879671960bcacy.pdfIn PDF document text
    • https://kuburabet.weebly.com/uploads/1/3/4/3/134362545/sevanowarodixatisega.pdfIn PDF document text
    • http://romeital.space/silupiwua890m.pdfIn PDF document text
    • https://tiramanab.weebly.com/uploads/1/3/1/8/131856622/gilozu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452193/normal_600da2f5f3bcb.pdfIn PDF document text
    • http://salejozokaboruz.22web.org/pigatirebisakowemodageso.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e138.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE138 5116 bytes
SHA-256: 50ab9c73ba7c1a92ebefa7f6dadadf55175f91484bcb72d058d65e3d02808adf
font_01_sfnt_off0000f2a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A2 10264 bytes
SHA-256: e1e8dd7ffd52486b3534d127a1683a5987721e835ff697a60fbaf98acbd59fc5

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