Malicious PDF — malware analysis report

Static analysis result for SHA-256 445b51857ecae080…

MALICIOUS

PDF

101.4 KB Created: 2022-04-03 18:14:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: 2cbe60cd959172476fe600cbc4aabd71 SHA-1: 57d13ebb6305811f65f9dd2bcc035893e7d9dc22 SHA-256: 445b51857ecae080acfc185ac912cdebc60324a324ef502ba87362fc44d733e0
186 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains a large number of external links, identified as a link farm. This suggests the document's primary purpose is to redirect users to other potentially malicious content or to manipulate search engine rankings. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification further supports its malicious nature. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9749

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://loheb.co.za/XSRYdR1H?utm_term=wolfpack+kodi+password PDF link annotation
    • http://www.solarwindependence.com/ckfinder/userfiles/files/92388218259.pdfIn PDF document text
    • https://kovafusage.weebly.com/uploads/1/3/4/3/134332296/jawanesesu.pdfIn PDF document text
    • https://mufaguzesevulet.weebly.com/uploads/1/3/2/8/132814956/9372747.pdfIn PDF document text
    • https://pajopujo.weebly.com/uploads/1/3/4/3/134305169/b163c7d57a5f.pdfIn PDF document text
    • https://zuseninin.weebly.com/uploads/1/3/4/6/134606702/33a8eace.pdfIn PDF document text
    • https://remenogabeta.weebly.com/uploads/1/3/4/0/134012297/jifikadawazike.pdfIn PDF document text
    • https://majijajivetik.weebly.com/uploads/1/3/4/2/134265766/mupemelepuba.pdfIn PDF document text
    • https://wanezevidika.weebly.com/uploads/1/3/4/5/134588498/wuxugarapuzor.pdfIn PDF document text
    • https://wutodifutatur.weebly.com/uploads/1/3/2/8/132814097/kakit.pdfIn PDF document text
    • https://saxewuluwedu.weebly.com/uploads/1/3/4/5/134528923/9463792.pdfIn PDF document text
    • https://www.wappa.com.au/siteadmin/ckfinder/userfiles/files/28966446343.pdfIn PDF document text
    • https://niwupusig.weebly.com/uploads/1/3/1/4/131438062/6317247.pdfIn PDF document text
    • https://tetaretutu.weebly.com/uploads/1/3/4/8/134872422/c870ca8955.pdfIn PDF document text
    • http://snft.ro/media/file/43083192840.pdfIn PDF document text
    • https://dametubidino.weebly.com/uploads/1/3/1/3/131383661/mowuxezevunizovipe.pdfIn PDF document text
    • https://numuwawi.weebly.com/uploads/1/3/2/3/132303164/a27b5171d74f.pdfIn PDF document text
    • https://rajulotopeza.weebly.com/uploads/1/3/4/6/134665566/jakigez.pdfIn PDF document text
    • https://xolesozetenosox.weebly.com/uploads/1/3/1/0/131070434/78a120ef.pdfIn PDF document text
    • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/75bfab234daa9eb6613c069c48c07da4/ravegenikeku.pdfIn PDF document text
    • https://birupilanakok.weebly.com/uploads/1/3/4/0/134017156/mupuzivij_manaruludowas_tevixepopu_teketopumakela.pdfIn PDF document text
    • https://robiduvasolowa.weebly.com/uploads/1/3/4/6/134657162/sibiwasibemujuka.pdfIn PDF document text
    • https://boxatikavizag.weebly.com/uploads/1/3/4/6/134680825/minelisizeg.pdfIn PDF document text
    • https://zisafidavilux.weebly.com/uploads/1/3/2/8/132814196/4632975.pdfIn PDF document text
    • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/162225b1e25e53---79164589958.pdfIn PDF document text
    • https://ledajesaler.weebly.com/uploads/1/3/4/0/134041179/ad0494f92b13554.pdfIn PDF document text
    • https://xitititoludazo.weebly.com/uploads/1/3/5/9/135987602/9440998.pdfIn PDF document text
    • https://tizizuner.weebly.com/uploads/1/3/1/8/131872037/jezotamijul.pdfIn PDF document text
    • https://pitalozel.weebly.com/uploads/1/3/1/3/131384414/b6b3474e8.pdfIn PDF document text
    • https://kubasujile.weebly.com/uploads/1/3/0/7/130776158/nimodaboviliwede.pdfIn PDF document text
    • https://leg-vein.jp/kcfinder/upload/files/pobaranom.pdfIn PDF document text
    • https://zovidurid.weebly.com/uploads/1/4/1/2/141253235/jiguwaj_kubuxab_wuzujagavolu_tabob.pdfIn PDF document text
    • https://luxabilep.weebly.com/uploads/1/3/0/8/130873941/8017590.pdfIn PDF document text
    • https://nixofukotozawe.weebly.com/uploads/1/3/4/3/134313466/nosamilevob_nozodagu_teziluwil.pdfIn PDF document text
    • https://zuligenewem.weebly.com/uploads/1/3/4/7/134749141/konizat_buwaloxebi_xugenokik.pdfIn PDF document text
    • https://nawamawivawugu.weebly.com/uploads/1/3/1/3/131398148/982d52380.pdfIn PDF document text
    • https://mawatewif.weebly.com/uploads/1/3/0/9/130969671/suzixesoba.pdfIn PDF document text
    • http://meimagedance.tw/ufiles/files/68582371288.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_off00012175.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12175 19716 bytes
SHA-256: 3a6746ae9944a97e54b758a60b6e23f2d8417ad857f2e0cdc8ade975b632a117
font_01_sfnt_off000155ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x155AE 10448 bytes
SHA-256: 91b7fa4e51c64a07936d9afd23ad66cec36fb72e3bb2b1156d5f90eeb91802a9
font_02_sfnt_off00016d8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16D8C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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