Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9ca6769d4577075…

MALICIOUS

PDF

76.6 KB Created: 2022-04-08 01:54:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-26
MD5: bb1ba9e0dca2096e00d50faf4a67fb2c SHA-1: 69d5482927d00c462fbb5fc0b90dc3e67c95c0b3 SHA-256: a9ca6769d457707520ae72adb518ff28fcbebba206a218ca88de98a3fa53d011
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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://fecuq.co.za/YmrXLWy8?keyword=does%20directv%20genie%20mini%20require%20coax PDF link annotation
    • http://lesybb.sk/userfiles/file/76085269937.pdfIn PDF document text
    • http://embauchecadre.com/kcfinder/upload/files/21958253623.pdfIn PDF document text
    • http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20220405_1E7D6EE5EC699C46.pdfIn PDF document text
    • http://safiorida.nl/operatori/userfiles/file/82701636130.pdfIn PDF document text
    • http://kondicionery-himki.ru/upload_picture/file/54180384077.pdfIn PDF document text
    • http://czpohledavky.cz/userfiles/files/63392696630.pdfIn PDF document text
    • https://unityofmyanmar.org/images/files/58159714295.pdfIn PDF document text
    • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1622e5c5200c96---nunofegomotimasabiwijedep.pdfIn PDF document text
    • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/282fc5891dc8695b17c2aa1118abfb0f/bebonobul.pdfIn PDF document text
    • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1622dff2301efc---14625211635.pdfIn PDF document text
    • http://newcityhk.com/userfiles/88741863479.pdfIn PDF document text
    • https://nudirekuv.weebly.com/uploads/1/3/4/7/134716663/tevonenuvukivojirufi.pdfIn PDF document text
    • http://xn--80aer5aza.xn--7-4tbj3b.xn--p1ai/ckfinder/userfiles/files/febewobekedodebozinuralu.pdfIn PDF document text
    • https://zefemebok.weebly.com/uploads/1/3/0/7/130775969/pedobusakob-dagamun.pdfIn PDF document text
    • https://nhatngudongkinh.com/upload/ckupload/files/90716564370.pdfIn PDF document text
    • http://x04ydivan.ru/userfiles/file/74697594818.pdfIn PDF document text
    • https://jiresuzava.weebly.com/uploads/1/3/4/7/134706808/205867047236.pdfIn PDF document text
    • https://panama4d.com/contents/files/todafibizerotukatamunu.pdfIn PDF document text
    • http://detskypohar.cz/upload/file/6160312081.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 extracted file (font_00_sfnt_off0000c48a.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c48a.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c48a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC48A 18080 bytes
SHA-256: f89314ef39c7ac7683366bbba20c2871a4231740bd5161f8d81070e020d14469
font_01_sfnt_off0000f3b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3B9 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00010bd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BD0 11080 bytes
SHA-256: 7c874e38fb1915dd784283c450881489cc35b2d083f2dc556ddf9c0651bb0db8