Malicious PDF — malware analysis report

Static analysis result for SHA-256 44504d915db64c84…

MALICIOUS

PDF

77.3 KB Created: 2022-03-26 10:59:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: 1e78e5d4e1d135a523f2004d0fac508b SHA-1: 3baa45ec30ee68d72bbbe292b9c2968aab495fea SHA-256: 44504d915db64c84c2130b282dfd4c15bd27fe44d1d77e2e21daa058a3d0b76d
186 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. One embedded URL points to a potentially malicious domain. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of techniques used to redirect users to malicious sites, potentially for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://cafij.co.za/YmrXLWy8?keyword=how%20to%20clean%20an%20old%20rival%20crock%20pot PDF link annotation
    • https://gonubogebedop.weebly.com/uploads/1/3/4/8/134886664/49f81d364f.pdfIn PDF document text
    • https://datirelegewewat.weebly.com/uploads/1/3/4/3/134329883/ff2fc03399d9772.pdfIn PDF document text
    • https://dugubutufafug.weebly.com/uploads/1/3/0/7/130775350/fewijud-subawikixib.pdfIn PDF document text
    • https://boxavaruju.weebly.com/uploads/1/3/4/7/134759985/lutupabatipawol.pdfIn PDF document text
    • https://palokeligiz.weebly.com/uploads/1/3/4/4/134496709/lelotim.pdfIn PDF document text
    • https://gimoxawoja.weebly.com/uploads/1/3/1/3/131380550/teviteresosiwad-pajosa-loboka.pdfIn PDF document text
    • https://basafokadu.weebly.com/uploads/1/3/4/7/134706648/9965599.pdfIn PDF document text
    • https://jaxefosizi.weebly.com/uploads/1/3/6/0/136083017/danafawuvomuzep-wuparedenatuf.pdfIn PDF document text
    • https://xodimazu.weebly.com/uploads/1/3/1/4/131408168/vidufuwudosaf.pdfIn PDF document text
    • https://lonokowikur.weebly.com/uploads/1/3/5/3/135384913/fitop.pdfIn PDF document text
    • https://zifimegepero.weebly.com/uploads/1/3/4/6/134601706/judodisive.pdfIn PDF document text
    • https://bujajegufo.weebly.com/uploads/1/3/4/1/134108800/c0f4a2223d.pdfIn PDF document text
    • https://wafebunutixiwi.weebly.com/uploads/1/3/4/1/134109037/5617633.pdfIn PDF document text
    • https://luwiritogejoti.weebly.com/uploads/1/3/4/2/134266422/kagajegi_bajuvakatate_wubekorifojo_kegim.pdfIn PDF document text
    • https://dinonikelo.weebly.com/uploads/1/3/4/5/134527719/fajevotuluvi_xoxojelit.pdfIn PDF document text
    • https://befetoxakotupo.weebly.com/uploads/1/3/0/7/130738956/2675877.pdfIn PDF document text
    • https://gilasagajeradek.weebly.com/uploads/1/3/4/6/134632792/zadotigaxojir.pdfIn PDF document text
    • https://nexonurobev.weebly.com/uploads/1/3/4/3/134371674/jafotusadamelego.pdfIn PDF document text
    • https://gejidodedawo.weebly.com/uploads/1/3/4/0/134018108/382b91bbf94392d.pdfIn PDF document text
    • https://duloduwo.weebly.com/uploads/1/3/4/8/134850843/favuritedamuma.pdfIn PDF document text
    • https://sazoxizifa.weebly.com/uploads/1/3/4/5/134505384/8317505.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_off0000cb69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB69 10572 bytes
SHA-256: 1938c33cb2d571659598ab8cd36371cf2d476e1d48e286a9fa4b958e0143f37b
font_01_sfnt_off0000e39d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE39D 17116 bytes
SHA-256: e0fb755c12ac475d12506b61d8b55d9f563d2f1e6bf70f90f624bdb3c551d938
font_02_sfnt_off00011078.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11078 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336