Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3d0ce654d073a2…

MALICIOUS

PDF

82.9 KB Created: 2022-04-22 00:22:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: 5440724647d7913d0073bd6614c92d0b SHA-1: 65ecc8801a821c82981568b7293739c2d2637bd4 SHA-256: 0d3d0ce654d073a2fb4d8743ebfe31cf445ddf8318351caa1f1b5991742df149
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and a large number of external links, many pointing to disposable hosting services. This behavior is indicative of a link farm designed to redirect users to malicious websites, likely for phishing or malware distribution. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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.
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://colod.co.za/YmrXLWy8?keyword=2016%20instructions%201040%20schedule%20a PDF link annotation
    • https://fubabogi.weebly.com/uploads/1/3/4/6/134617409/0a392.pdfIn PDF document text
    • https://kigusokitog.weebly.com/uploads/1/3/5/3/135300221/kamifaboxanawa.pdfIn PDF document text
    • https://xorizelipuv.weebly.com/uploads/1/3/1/6/131637744/talaw-gujoruzud-panizotaledop.pdfIn PDF document text
    • https://butabapob.weebly.com/uploads/1/3/4/7/134744569/xedudadafu.pdfIn PDF document text
    • http://hurtmar.pl/Upload/file/sadozazuzijipiwenuwexaf.pdfIn PDF document text
    • https://siangyun.com/upfiles/editor/files/70996352507.pdfIn PDF document text
    • https://papizutexoda.weebly.com/uploads/1/3/0/9/130969148/06ae804f.pdfIn PDF document text
    • https://jezagegilefu.weebly.com/uploads/1/3/4/3/134307882/fawefawipafeji-dofoxiwudur-wibar-pulobusulixu.pdfIn PDF document text
    • https://fosisejabevenot.weebly.com/uploads/1/3/5/3/135398983/5066735.pdfIn PDF document text
    • https://rosiwefoves.weebly.com/uploads/1/3/4/0/134018148/4986300.pdfIn PDF document text
    • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/tu7rntd7vf9vv9itqofldu5o7u/pitaxapubudeg.pdfIn PDF document text
    • https://ssekolkata.com/ckfinder/userfiles/files/59352363191.pdfIn PDF document text
    • http://lauffer.com.br/app/webroot/js/kcfinder/upload/files/sodijupujaz.pdfIn PDF document text
    • https://nibovipuduri.weebly.com/uploads/1/3/0/8/130814681/fixokiwi-xupiwesatidi-susinatiwab.pdfIn PDF document text
    • https://www.trungtammaychieu.com/ad-min/js/libs/kcfinder/upload/files/lozuledikirokewi.pdfIn PDF document text
    • https://luxederobidurip.weebly.com/uploads/1/3/4/6/134603039/poviputozigit.pdfIn PDF document text
    • https://fuwiposodunumof.weebly.com/uploads/1/3/1/4/131438128/6ec556.pdfIn PDF document text
    • https://witufulovavivoj.weebly.com/uploads/1/3/4/3/134351467/wokezolule-vifibutogosani-jajusevum.pdfIn PDF document text
    • https://bienenaktuell.com/sites/bienenaktuell.com/files/file/28490809565.pdfIn PDF document text
    • https://fojojaroj.weebly.com/uploads/1/3/1/4/131453509/kanujiguram.pdfIn PDF document text
    • https://xozojorabafaka.weebly.com/uploads/1/4/1/2/141279668/9726357.pdfIn PDF document text
    • https://vabeliguteziji.weebly.com/uploads/1/3/1/3/131379360/dc3d2.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_off0000de46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE46 17300 bytes
SHA-256: 25d6a22efda0ff579f200f948012455ccddcbb38d82b297921ea8fbe353652c1
font_01_sfnt_off00010ba1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BA1 11012 bytes
SHA-256: be7ab5149d826dd42647834703d521abfa1018c87c0ec36ac1ea24ac9fb5b4dc
font_02_sfnt_off00012547.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12547 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1