Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef79d451c9b456b6…

MALICIOUS

PDF

663.0 KB Created: 2022-05-31 03:52:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-08
MD5: 85519ab83bc7c83e30368765c803bcf8 SHA-1: 8a4cd799e5d0e78338241689dfedc46d93a67cd8 SHA-256: ef79d451c9b456b6066371faf1513c549ff22e2eb6ed63c86ce801258227055c
106 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4435

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://lazav.co.za/XSRYdR1H?utm_term=aircraft+design+a+conceptual+approach+pdf+files+pdf+files+free PDF link annotation
    • https://doxoroxidazoso.weebly.com/uploads/1/4/1/8/141852697/kevataw.pdfIn PDF document text
    • https://sipowosopevi.weebly.com/uploads/1/3/4/8/134885708/4757114.pdfIn PDF document text
    • https://nokatumevizo.weebly.com/uploads/1/3/2/7/132740479/6ac37.pdfIn PDF document text
    • https://xezudabumaku.weebly.com/uploads/1/3/4/3/134377243/7157356.pdfIn PDF document text
    • https://vaparumosoradus.weebly.com/uploads/1/3/4/8/134886723/pabiralojo.pdfIn PDF document text
    • https://nesaxelevamuzaz.weebly.com/uploads/1/3/4/9/134901400/2664d5.pdfIn PDF document text
    • https://jipoditewiwes.weebly.com/uploads/1/3/4/8/134875435/sivigenubol-bovizuxivok.pdfIn PDF document text
    • https://xafosaxit.weebly.com/uploads/1/3/1/8/131859261/6683776.pdfIn PDF document text
    • https://vejefipilarof.weebly.com/uploads/1/3/4/6/134663014/5668865.pdfIn PDF document text
    • https://fenatafu.weebly.com/uploads/1/3/1/6/131637570/9779138.pdfIn PDF document text
    • https://movefaka.weebly.com/uploads/1/3/5/3/135304133/sabavi-dupumap-duxajofex.pdfIn PDF document text
    • https://vofesoxofibebup.weebly.com/uploads/1/3/4/9/134900141/vojaxe-malulabo.pdfIn PDF document text
    • https://wigapekowuv.weebly.com/uploads/1/3/4/4/134488511/fitix.pdfIn PDF document text
    • https://kinamolifurepe.weebly.com/uploads/1/3/2/7/132710726/bf5d3b898.pdfIn PDF document text
    • https://diboboxu.weebly.com/uploads/1/3/4/3/134330346/732356c0a2c06f9.pdfIn PDF document text
    • https://jotedekezudomu.weebly.com/uploads/1/4/1/4/141410509/kukimaxeledepuze.pdfIn PDF document text
    • https://mefinijusigoti.weebly.com/uploads/1/3/4/4/134499215/5581139.pdfIn PDF document text
    • https://jelalikobujemup.weebly.com/uploads/1/4/1/3/141362025/majeli_guvufuke_bebinaloxugi_wapav.pdfIn PDF document text
    • https://setowunujabid.weebly.com/uploads/1/3/4/0/134095848/damanizumupe.pdfIn PDF document text
    • https://wajevubal.weebly.com/uploads/1/3/4/6/134687537/5c2f8fc5269d.pdfIn PDF document text
    • https://nugemezan.weebly.com/uploads/1/3/4/3/134359438/gawajox.pdfIn PDF document text
    • https://zasefupaboz.weebly.com/uploads/1/3/2/3/132302972/gadezusenakopo_bulalajo_jovuzo.pdfIn PDF document text
    • https://wivevesatowot.weebly.com/uploads/1/3/0/8/130813399/vafuxobivisusinojal.pdfIn PDF document text
    • https://tezelekelipo.weebly.com/uploads/1/4/1/2/141257610/7359775.pdfIn PDF document text
    • https://wusedutewaxugag.weebly.com/uploads/1/3/1/4/131437839/texuzisenuroxedu.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_off0009e212.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E212 20608 bytes
SHA-256: 4eedf321fd8e454a224313279bed72b32347c3a53d26bf581f3031602e4841d3
font_01_sfnt_off000a194a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA194A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000a3165.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA3165 10980 bytes
SHA-256: 5f99fad63d2ab16db90163ce4744194b03ebcc4eaa35b9b4aa0a3eb3e0dd0d71

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