Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d87d6e408627d5…

MALICIOUS

PDF

877.0 KB Created: 2022-05-17 08:03:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 3d69f84b95473d9dadf70680b2366d8c SHA-1: 56fa5e7f27f3bcb8c1f01bff087c6510e55ed56b SHA-256: c5d87d6e408627d5dbd26a8a798bc4882b885b7942732c9935381ea2792baa41
166 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4599

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
  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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://loheb.co.za/XSRYdR1H?utm_term=fe+reference+handbook+9.+3+edition+pdf+free+online+pdf+password+remover PDF link annotation
    • https://www.utn.ac.cr/sites/default/files/files/58659126297.pdfIn PDF document text
    • https://telumenodizoxop.weebly.com/uploads/1/3/4/2/134266327/73111e.pdfIn PDF document text
    • https://kefodepipa.weebly.com/uploads/1/3/4/6/134662477/bacdde012a2288e.pdfIn PDF document text
    • https://pudevadiketimim.weebly.com/uploads/1/3/4/6/134606785/nakurodatev_jimikubaridegu_jutuvewe_wibazo.pdfIn PDF document text
    • https://tezutoboz.weebly.com/uploads/1/3/4/7/134737844/puner.pdfIn PDF document text
    • https://nojamatisi.weebly.com/uploads/1/3/1/3/131384142/widibowat_sekegowokil.pdfIn PDF document text
    • https://befofevaz.weebly.com/uploads/1/3/0/9/130969220/gabibefef.pdfIn PDF document text
    • http://kanoonkaraj.ir/dbmanager/filebank/htmlgallery/file///51616253982.pdfIn PDF document text
    • https://basisnomor.com/contents/files/97729807167.pdfIn PDF document text
    • https://sujepofuk.weebly.com/uploads/1/3/0/7/130775011/tojelotogot.pdfIn PDF document text
    • https://www.fcefrance.com/kcfinder/upload/files/vozog.pdfIn PDF document text
    • http://bresnahan.sfiab.com/data/userfiles/file/5786220249.pdfIn PDF document text
    • https://sekeret.com/kcfinder/upload/files/rujetazimofofetevidadeluv.pdfIn PDF document text
    • http://sql110.com/pic/venalamadatafejubu.pdfIn PDF document text
    • https://sivasanetit.weebly.com/uploads/1/3/6/0/136095735/9703610.pdfIn PDF document text
    • https://mejebepagomuda.weebly.com/uploads/1/3/4/4/134494428/rikezexonu_nofono_samurupow.pdfIn PDF document text
    • https://nirorelenejukal.weebly.com/uploads/1/3/4/3/134316721/a8b3429846e0.pdfIn PDF document text
    • https://zovuwiveja.weebly.com/uploads/1/3/4/8/134880504/9878792.pdfIn PDF document text
    • https://luzosinakaba.weebly.com/uploads/1/4/1/2/141249872/watitenoliv.pdfIn PDF document text
    • https://wabomojufodeze.weebly.com/uploads/1/3/3/9/133999178/notiwefov.pdfIn PDF document text
    • https://jisiresofuwidi.weebly.com/uploads/1/3/0/7/130739297/6ecb702fd3971.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000cff55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFF55 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000d1773.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1773 29656 bytes
SHA-256: ed30e1a96dcd312e1f0f42fb5a7f85c9c84927f8ad007f65207c443c31a31e75
font_02_sfnt_off000d6778.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6778 16168 bytes
SHA-256: 34837fdfed7e6dc9e8c1ebc45eabef1064a6e89f8cd536305124148a4af1fb29
font_03_sfnt_off000d7ce2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7CE2 1436 bytes
SHA-256: 48c84fc0c383f7fa3bc2b3629accac81a9c818d0d7916d69d9e4b43260d5c9a8
font_04_sfnt_off000d84f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD84F9 11652 bytes
SHA-256: e36c5c8ffa54fa4146b02d13f4dfdab8debf33654f28c606d00bd81665b933f5

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