Malicious PDF — malware analysis report

Static analysis result for SHA-256 4afc7b051235a395…

MALICIOUS

PDF

141.5 KB Created: 2022-03-23 20:40:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: a992f5bbd4bd8ae355396d5235c1a057 SHA-1: bd071ebe62613f2e60c35ae12d31401efc35dcfb SHA-256: 4afc7b051235a3957eb0b563d04189fb44511b0aee6b7a1d0b1dde4d4b1a5521
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9781

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
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://cafij.co.za/YmrXLWy8?keyword=pmi-acp%20exam%20prep%20pdf%20free%20download PDF link annotation
    • https://xabomipa.weebly.com/uploads/1/3/4/4/134484571/vabujoxoxexa.pdfIn PDF document text
    • https://vuverararusug.weebly.com/uploads/1/3/4/8/134883490/badizikebenexu.pdfIn PDF document text
    • https://xasigorokukexef.weebly.com/uploads/1/3/4/8/134891024/db0255.pdfIn PDF document text
    • https://gabudusufixojur.weebly.com/uploads/1/3/5/3/135339303/2ec487fa87b100.pdfIn PDF document text
    • https://tafajasezo.weebly.com/uploads/1/3/4/3/134312542/fexeperafaxuvi.pdfIn PDF document text
    • https://vusuvokitajize.weebly.com/uploads/1/3/0/8/130874031/9563186.pdfIn PDF document text
    • https://zubukuxazepezox.weebly.com/uploads/1/3/4/6/134600429/4525610.pdfIn PDF document text
    • https://zifimegepero.weebly.com/uploads/1/3/4/6/134601706/samapunifu_bekefaten.pdfIn PDF document text
    • https://fuxekuliwomu.weebly.com/uploads/1/3/4/8/134864819/497e26162.pdfIn PDF document text
    • https://kumazapo.weebly.com/uploads/1/3/2/7/132710765/dimizemuteb.pdfIn PDF document text
    • https://legufita.weebly.com/uploads/1/3/4/8/134866723/sixuburutonewikad.pdfIn PDF document text
    • https://fetatoba.weebly.com/uploads/1/3/4/6/134689412/d2cc5a79.pdfIn PDF document text
    • https://kipejuxi.weebly.com/uploads/1/3/2/6/132682137/kotubadifufodore.pdfIn PDF document text
    • https://vetitigozep.weebly.com/uploads/1/3/1/4/131437709/xemujuvuw.pdfIn PDF document text
    • https://josebugovoje.weebly.com/uploads/1/3/0/7/130738719/5160412.pdfIn PDF document text
    • https://wosiwimobej.weebly.com/uploads/1/3/1/1/131164223/vulijadomafupodi.pdfIn PDF document text
    • https://pifelitasa.weebly.com/uploads/1/3/5/3/135350032/gonawovejipal_teposedaxovut.pdfIn PDF document text
    • https://rijizego.weebly.com/uploads/1/3/0/7/130776487/2937522.pdfIn PDF document text
    • https://ruxosegid.weebly.com/uploads/1/3/4/2/134265817/7776769.pdfIn PDF document text
    • https://pejizaki.weebly.com/uploads/1/3/1/4/131437091/3333675.pdfIn PDF document text
    • https://zuligenewem.weebly.com/uploads/1/3/4/7/134749141/konizat_buwaloxebi_xugenokik.pdfIn PDF document text
    • https://xadixolikiz.weebly.com/uploads/1/3/1/3/131380305/6747598.pdfIn PDF document text
    • https://porujigiwafixuf.weebly.com/uploads/1/3/4/3/134373975/68b95.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001baeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1BAEB 1684 bytes
SHA-256: 72bda604c77ca771a1a14ee35dc8ff354b9f00ec81e947fe844e91f3a29209ee
font_01_sfnt_off0001c2f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C2F2 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0001d991.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1D991 20012 bytes
SHA-256: 1b8dd31624a417524d579b9c6f5487b50d4dda349ba43948aa953aa62b3acb46
font_03_sfnt_off00020f21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x20F21 10740 bytes
SHA-256: e1de0fc279851cb70fb078e7a930e4ea660b82fd7ad3a171f3221747fc0a4fc9