Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3220336264c9a4…

MALICIOUS

PDF

75.9 KB Created: 2022-04-27 01:38:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: ff1fc90b930641f6359d097f8ce9d65c SHA-1: cf2e429f5d6c7c7edaa139479d6ddda85424b76d SHA-256: 0d3220336264c9a43dd8bc7ece1caec9150c91eb2f543056a2b22efc9bd69e32
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and a significant number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users. The heuristic firings, particularly PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM, strongly suggest this malicious intent. The embedded JavaScript likely facilitates the redirection or further malicious activity. The ClamAV detection and ML classifier further support the malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9984

Heuristics 8

  • 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.
  • Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
    A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
  • 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://lovig.co.za/YmrXLWy8?keyword=moultrie%20d PDF link annotation
    • https://zixavuxo.weebly.com/uploads/1/3/1/3/131398386/sagem.pdfIn PDF document text
    • https://zowobisa.weebly.com/uploads/1/3/5/3/135313501/9603856.pdfIn PDF document text
    • https://xedovederufag.weebly.com/uploads/1/3/5/3/135315932/e009760ed018.pdfIn PDF document text
    • https://fundacjaartfreeart.pl/userfiles/file/sanujerudawekezupojive.pdfIn PDF document text
    • http://unicaconsultoriarh.com/images/files/31447706633.pdfIn PDF document text
    • https://csn-alliance.com/data/files/pasakuvajewak.pdfIn PDF document text
    • https://montferri.com/admin/js/plugins/kcfinder/upload/files/makimenareziluk.pdfIn PDF document text
    • https://olafree.gr/admin/images/gepokumosudepu.pdfIn PDF document text
    • https://zegovemu.weebly.com/uploads/1/4/1/4/141469635/wubodari_vakegevulavoj_pudibepabo_waguwupizute.pdfIn PDF document text
    • http://studioego.cz/userfiles/file/rojavovamiwosadovilanuk.pdfIn PDF document text
    • https://ludamezowi.weebly.com/uploads/1/3/4/1/134131800/0f28881a708.pdfIn PDF document text
    • https://zopojezumaze.weebly.com/uploads/1/3/1/6/131637354/50dceb6d255da6.pdfIn PDF document text
    • https://zofoneparadi.weebly.com/uploads/1/3/5/3/135341866/wazijag.pdfIn PDF document text
    • https://pontus-sd.eu/uploads/file/dubijike.pdfIn PDF document text
    • https://nesibebinirudeb.weebly.com/uploads/1/3/5/3/135311353/099a860a9395330.pdfIn PDF document text
    • https://xabetujozuveko.weebly.com/uploads/1/3/4/6/134682227/donuzuxa.pdfIn PDF document text
    • http://cutyoursupport.com/userfiles/file/zubadi.pdfIn PDF document text
    • http://kalecikliyiz.biz/panel/kcfinder/upload/files/47604998517.pdfIn PDF document text
    • https://wanesibib.weebly.com/uploads/1/3/4/5/134591449/2212097.pdfIn PDF document text
    • https://bemixujigimo.weebly.com/uploads/1/3/0/9/130969474/bogak.pdfIn PDF document text
    • https://wagelefukat.weebly.com/uploads/1/3/4/2/134265927/xabededi-sudateno-pavovituxine.pdfIn PDF document text
    • https://serirufudo.weebly.com/uploads/1/3/4/7/134712976/zakavufidufud_wagezi_gujatavasusur.pdfIn PDF document text
    • http://theindianaccountant.com/pa/trainstation/uploads/image/file/40735822084.pdfIn PDF document text
    • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621898c264c8c---83339734887.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_off0000c302.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC302 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000db14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB14 17116 bytes
SHA-256: 991d6ea86bcf191cd0362bc7ac1579e6934a826968a2072d3be379ec02c04240
font_02_sfnt_off0001080b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1080B 10872 bytes
SHA-256: 6050f779f940ac4c1d8be243df7ef90ded254850d09a122557526c92df29b07d

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