Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa818a617c777e56…

MALICIOUS

PDF

76.5 KB Created: 2022-04-06 04:26:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: eb53b72acf8b42672416a915936dd7c8 SHA-1: c2720238d02ada470495813d2d4b3b343f912eba SHA-256: aa818a617c777e5600744a78988cb1fe62dc7357f79b64a9e4098bbaa1035a50
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://ragaz.co.za/YmrXLWy8?keyword=inteligencias%20multiples%20concepto%20segun%20autores PDF link annotation
    • https://tupipukevoluda.weebly.com/uploads/1/3/4/0/134041298/xajemebele.pdfIn PDF document text
    • http://elitacasa.it/images/file/89250599054.pdfIn PDF document text
    • http://csc020.com/userfiles/file/20220304035222_moszlg.pdfIn PDF document text
    • https://nakenofol.weebly.com/uploads/1/3/0/8/130814118/3784741.pdfIn PDF document text
    • https://beds.lifelinecenters.com/news_items/file/79714809452.pdfIn PDF document text
    • https://gevupowola.weebly.com/uploads/1/3/1/4/131483584/636cf954.pdfIn PDF document text
    • https://rupilobeva.weebly.com/uploads/1/3/0/7/130775598/5844411.pdfIn PDF document text
    • https://votarozoxanobo.weebly.com/uploads/1/3/4/3/134315144/fakedudigupef_bosuxutekidite_tilewefe_lokag.pdfIn PDF document text
    • https://muxiduxipa.weebly.com/uploads/1/3/5/3/135319221/6b1ba429771.pdfIn PDF document text
    • https://jodejivosarixu.weebly.com/uploads/1/3/4/3/134314211/1751380.pdfIn PDF document text
    • https://jinitemolo.weebly.com/uploads/1/3/1/8/131856214/a11e2798.pdfIn PDF document text
    • https://tubababekegoso.weebly.com/uploads/1/3/4/8/134880125/joninoxa.pdfIn PDF document text
    • https://pofubelepegeva.weebly.com/uploads/1/3/0/7/130776421/xufunenep-xamofunoliba-zisazimaduzeta.pdfIn PDF document text
    • http://laparole.net/kcfinder/upload/files/gadafaxegutetip.pdfIn PDF document text
    • http://www.tecnobor.es/ckfinder/userfiles/files/25688313553.pdfIn PDF document text
    • https://mitivowa.weebly.com/uploads/1/3/1/6/131607237/3622930.pdfIn PDF document text
    • https://koxoganonigowup.weebly.com/uploads/1/3/1/4/131408343/lanowewogivoneguwop.pdfIn PDF document text
    • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/162310d714da3e---92712232286.pdfIn PDF document text
    • https://pewefoxu.weebly.com/uploads/1/4/1/3/141329406/8673986.pdfIn PDF document text
    • https://gebaxugore.weebly.com/uploads/1/3/4/5/134594027/febikava_todazeduxuwugib_dutomimu_befune.pdfIn PDF document text
    • https://pesefusuf.weebly.com/uploads/1/3/4/4/134486856/2072434.pdfIn PDF document text
    • http://healthmindsacademy.com/admin/ckeditor/kcfinder/upload/files/gotatitatotekur.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_off0000c294.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC294 18208 bytes
SHA-256: 5526a160f562366dc9223cedf4b1f72752520d0992d68c0261c235565c4ecbe0
font_01_sfnt_off0000f0fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0FC 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00010913.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10913 10768 bytes
SHA-256: bc6b853f57caa0541dd9454620b27e12636e6185251a53ed79d9ddc53a0ea167

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