Malicious PDF — malware analysis report

Static analysis result for SHA-256 726288a5e0cc0600…

MALICIOUS

PDF

74.7 KB Created: 2022-04-20 18:23:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-12
MD5: dd163222985c87aa6ec21cc8446c86de SHA-1: b804b037a33446e73195b54507942e0221d6ae3c SHA-256: 726288a5e0cc06007713b34d9da261a2f670b7cdafa69d6d7a39767a34d1e010
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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://podar.co.za/YmrXLWy8?keyword=what%20is%20acidic%20and%20basic%20buffer PDF link annotation
    • https://purusexubike.weebly.com/uploads/1/3/4/0/134000510/sazud.pdfIn PDF document text
    • http://proreferee.ru/uploads/ckfinder/files/bifujikiwometubanikit.pdfIn PDF document text
    • https://mocktest.realestateerp.in/FCKeditor/file/67209118542.pdfIn PDF document text
    • https://tazipapanora.weebly.com/uploads/1/3/0/7/130776418/wadoxajuriwalewejamu.pdfIn PDF document text
    • https://cmsmda.neotebet.de/uploads/all/potujeroti.pdfIn PDF document text
    • https://atarentacarburdur.com/userfiles/file/merafemewefenifumakapuxid.pdfIn PDF document text
    • https://xumolatakikekum.weebly.com/uploads/1/3/4/3/134335049/4215981.pdfIn PDF document text
    • https://wekonopu.weebly.com/uploads/1/3/4/8/134848362/7957720.pdfIn PDF document text
    • https://xutetuzaxudekit.weebly.com/uploads/1/3/4/3/134371691/8162316.pdfIn PDF document text
    • http://tv-kitchen.ru/files/files/piwotuf.pdfIn PDF document text
    • http://seasonmediagroup.com/pic/file/41588372539.pdfIn PDF document text
    • http://atek-ent.com/upload/file/takusasegakigezujizike.pdfIn PDF document text
    • https://makojudo.pl/zdjecia/fck/file/fadilatix.pdfIn PDF document text
    • https://vixojuderapu.weebly.com/uploads/1/3/2/3/132303060/d37236eb431.pdfIn PDF document text
    • https://jivimukik.weebly.com/uploads/1/3/0/7/130775904/6624403.pdfIn PDF document text
    • https://munazuzane.weebly.com/uploads/1/3/4/3/134350045/f47cd5f379.pdfIn PDF document text
    • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622cc12caa9f4---debebagodinegulujonere.pdfIn PDF document text
    • https://suzokixuvajix.weebly.com/uploads/1/3/0/7/130776208/e3e33.pdfIn PDF document text
    • https://rewazuxaroro.weebly.com/uploads/1/3/4/3/134341361/fikiwekavez.pdfIn PDF document text
    • https://melusibisi.weebly.com/uploads/1/3/4/5/134595399/6e51e8e.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_off0000be37.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000be37.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000be37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE37 17408 bytes
SHA-256: cb38902c6f2ca705e8b2a938f92b26962adad5182fb7b5a154c2f2d1f06e3458
font_01_sfnt_off0000ec28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC28 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001043f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1043F 10640 bytes
SHA-256: ee29bd413e7dfa75e979959366a8026bfc26c6520daaf1f6ca55f6a5ad98ce34

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