Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed32beb8914e41fe…

MALICIOUS

PDF

81.1 KB Created: 2022-04-21 09:44:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-07
MD5: b938ba578dc533c44f3803bee356d564 SHA-1: 9276cb12afd29ac8d2f508559e13b39bde77e052 SHA-256: ed32beb8914e41fe96306697630a65e12aba2c65dc849727de655c4e542acf48
186 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or distributing further malware. No scripts were extracted, but the extensive link farm suggests the primary goal is to redirect users to potentially harmful content.

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://norin.co.za/YmrXLWy8?keyword=vocabulary%20workshop%20level%20d%20unit%205%20answers%20synonyms PDF link annotation
    • https://bifixebuwo.weebly.com/uploads/1/3/0/7/130776276/bukoburuj_wudip_junedapu.pdfIn PDF document text
    • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/10a2539fd0c58d06c40e1894441a210d/pidejosidijudan.pdfIn PDF document text
    • https://zabepufi.weebly.com/uploads/1/3/4/6/134681717/75addb1d4.pdfIn PDF document text
    • https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/beguwojeki.pdfIn PDF document text
    • http://atolyemtm.com/depo/sayfaresim/file/89449786288.pdfIn PDF document text
    • http://www.rztria.ru/kcfinder/upload/files/lorifoxunopaje.pdfIn PDF document text
    • http://desimlockage-telephone.fr/userfiles/file/79537725302.pdfIn PDF document text
    • https://charterboatdeliverance.com/uploads/files/tomobamezegepa.pdfIn PDF document text
    • https://filuloxi.weebly.com/uploads/1/3/2/7/132740414/1452212.pdfIn PDF document text
    • https://movazegunexonep.weebly.com/uploads/1/4/1/2/141259980/nogakazasufuler_bulilem_vejef_mobebafa.pdfIn PDF document text
    • https://tekmaker.com/upload/files/bozarisigiw.pdfIn PDF document text
    • https://bogezemobazuv.weebly.com/uploads/1/3/1/8/131856224/3473675.pdfIn PDF document text
    • http://dfwsedan.com/nbloom/fckuploads/file/daxaz.pdfIn PDF document text
    • https://www.ozkozel.sk/kcfinder/upload/files/65343876700.pdfIn PDF document text
    • http://mayepnuocmia.vn/data/ckfinder/files/nopupoferuvexigerarikugu.pdfIn PDF document text
    • http://zit-tech.com/userfiles/files/45661271075.pdfIn PDF document text
    • https://luzatewuxajexi.weebly.com/uploads/1/3/4/2/134265782/duxinamurenig_sivalurikobife_xegepigam.pdfIn PDF document text
    • http://produkty.promiennik.pl/resources/files/40688485607.pdfIn PDF document text
    • https://pilawero.weebly.com/uploads/1/3/4/0/134095891/feribexowef-senifonamixof-tesivad-zatawu.pdfIn PDF document text
    • https://kuzimedunadaweg.weebly.com/uploads/1/3/5/9/135993385/remegiranobiluraro.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_off0000d5c9.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d5c9.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d5c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5C9 17088 bytes
SHA-256: 56829fece1353547386ebeabb80012b17a51035d5f74cf50be15b692e6ec440a
font_01_sfnt_off0001028f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1028F 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00011aa6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11AA6 11480 bytes
SHA-256: 2a5b06844d9513e39e4143b281ca59c2ebc2652270810237b3f8034c72f5e647