Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8dcc674daa3e7e…

MALICIOUS

PDF

78.2 KB Created: 2022-04-15 10:06:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 50810978ad5a81f43ac550522f16cace SHA-1: 3e09b16a2f0923739a636a4a38d8e7330b314f47 SHA-256: aa8dcc674daa3e7e44cc3ec215b2532833b00235d504681c409ebcfdc1819a74
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://mifuj.co.za/YmrXLWy8?keyword=beatles%20hey%20jude%20easy%20piano%20sheet%20music PDF link annotation
    • https://witatubaf.weebly.com/uploads/1/3/1/6/131606367/nejewixudepol_gobizovome_rerumesufari_gebimobafetusi.pdfIn PDF document text
    • https://vinipuzi.weebly.com/uploads/1/3/0/7/130776781/9c574184166a9.pdfIn PDF document text
    • https://vipinilanevam.weebly.com/uploads/1/3/4/8/134873552/2626575.pdfIn PDF document text
    • https://togasiwivote.weebly.com/uploads/1/3/4/3/134370981/fekelidorexag.pdfIn PDF document text
    • https://tumobokufoko.weebly.com/uploads/1/3/4/3/134316325/bojiwurafepujav_pivesavibij_xomib_lugux.pdfIn PDF document text
    • https://fotizewuzawefuv.weebly.com/uploads/1/3/4/6/134668380/lefawowelu.pdfIn PDF document text
    • https://ranekiwoj.weebly.com/uploads/1/3/0/8/130814960/14b8f9e.pdfIn PDF document text
    • http://mdbim.pl/ubezpiecz/obrazy/file/51688441813.pdfIn PDF document text
    • https://bagivojagifivin.weebly.com/uploads/1/4/1/3/141398273/6578696.pdfIn PDF document text
    • http://renovfab-menuiserie.com/userfiles/file/27060361233.pdfIn PDF document text
    • http://yournamebadges.com/withyourdog/cms_uploads/file/sijanavufa.pdfIn PDF document text
    • https://loliwotumonuz.weebly.com/uploads/1/3/4/8/134881385/8fcb7f5.pdfIn PDF document text
    • https://jafoxexaromomev.weebly.com/uploads/1/3/5/2/135296472/zapifenupivi.pdfIn PDF document text
    • https://vobomufib.weebly.com/uploads/1/4/1/2/141251994/757408.pdfIn PDF document text
    • https://sisareses.weebly.com/uploads/1/3/1/4/131454440/84c150cdef0.pdfIn PDF document text
    • https://duwusejirut.weebly.com/uploads/1/3/4/3/134370685/216999.pdfIn PDF document text
    • https://doladilaraju.weebly.com/uploads/1/3/4/8/134854069/3211675.pdfIn PDF document text
    • https://pejolufuti.weebly.com/uploads/1/3/4/0/134018137/da883a63103d6.pdfIn PDF document text
    • https://lemagijazifar.weebly.com/uploads/1/3/2/7/132710763/3807206.pdfIn PDF document text
    • https://xevaxeleputoli.weebly.com/uploads/1/3/0/7/130775823/7099334.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cb36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB36 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e348.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE348 17496 bytes
SHA-256: 7e94a1dc82bf1bc6462a06c86dccb71222a095218ef3d773b47b86ab6f551f67
font_02_sfnt_off00011151.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11151 11076 bytes
SHA-256: e9063916e1728acffaedb324990c61d25166a5488ace082ea7fe0656579e530b

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