Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8b085e827696c52…

MALICIOUS

PDF

88.8 KB Created: 2022-04-07 20:42:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-06
MD5: 543e2cea12e4e72fc87fed2a8e7e7115 SHA-1: e0805e585d293ab13a6651fa1a805d3a7ec156dd SHA-256: a8b085e827696c521eef5a37e26cd14d1b290e373dc4f7a993c5a9900e5cd909
226 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9954

Heuristics 7

  • 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.
  • Travel-support phone-number stuffing scam high SE_TRAVEL_SUPPORT_PHONE_SCAM
    Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
  • 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://lazav.co.za/YmrXLWy8?keyword=fast%20start%20rodan%20and%20fields%202020 PDF link annotation
    • http://safrano.pl/userfiles/file/72641243951.pdfIn PDF document text
    • https://zaluvofajiziso.weebly.com/uploads/1/3/4/8/134894723/ponunurilav-gesegigi-xaxevizakaze-difov.pdfIn PDF document text
    • https://harley.dataroom.tw/upload/files/32329080379.pdfIn PDF document text
    • https://gugabezari.weebly.com/uploads/1/3/4/5/134577353/b9d60701.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621d5095a5b67---99842553.pdfIn PDF document text
    • https://laxaxaxiw.weebly.com/uploads/1/3/4/5/134528460/5056748.pdfIn PDF document text
    • https://gugagefa.weebly.com/uploads/1/3/4/3/134343265/9337876.pdfIn PDF document text
    • http://autoscuolemontagna.it/userfiles/files/goziwajifupuruzalaw.pdfIn PDF document text
    • https://ronabamipiboti.weebly.com/uploads/1/3/4/5/134598089/8574939.pdfIn PDF document text
    • https://popaxeras.weebly.com/uploads/1/3/0/8/130814769/196e452027b4f0.pdfIn PDF document text
    • https://kasesutibut.weebly.com/uploads/1/3/4/0/134017634/basawumewimorinikofu.pdfIn PDF document text
    • http://zopos.zohukum.com/ckfinder/userfiles/files/2023200864.pdfIn PDF document text
    • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16222fdc292c2b---jilijezinose.pdfIn PDF document text
    • http://ingmarcofaedi.com/userfiles/files/towodexukonire.pdfIn PDF document text
    • http://nollve.com/img/editor/image/file/zufitubisavawuj.pdfIn PDF document text
    • https://gilasagajeradek.weebly.com/uploads/1/3/4/6/134632792/nitejep_jotiju.pdfIn PDF document text
    • http://www.bioengenharia.com.br/public/libs/kcfinder/upload/files/kufiwizifedopufazaburo.pdfIn PDF document text
    • http://archiwalna.slezanie.eu/userfiles/file/79512036880.pdfIn PDF document text
    • https://pibazafefudo.weebly.com/uploads/1/3/0/7/130776509/0d5b6317.pdfIn PDF document text
    • https://lijovewese.weebly.com/uploads/1/3/7/5/137505150/nuwematijulaw-pevewawireji-gixoneb.pdfIn PDF document text
    • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/97410150969.pdfIn PDF document text
    • https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/jomoxufonatasaxuluxekapuz.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_off0000ded3.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ded3.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ded3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDED3 16312 bytes
SHA-256: 7d15b2d6d265aaca51dda18faee70a1b8fa9d95ed54cb111fb0895789092f9ae
font_01_sfnt_off0000f4da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4DA 18196 bytes
SHA-256: e98b49ce32683b85cb4a6b201a09ce933e6c8df761a741bb0d4990ab28ce17cf
font_02_sfnt_off000124d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x124D4 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_03_sfnt_off00013ceb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13CEB 10568 bytes
SHA-256: 48cd94ebd2012e6db98c7a4aee431e9f50036310b2a290d914dfb7f20077a6bc