Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab29aab9722b87d9…

MALICIOUS

PDF

120.0 KB Created: 2021-07-05 09:49:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 2f3348b060ec2ddadf3b7965a254071d SHA-1: e08405a0196ffc81aa4aa372720c1d1686f8208d SHA-256: ab29aab9722b87d91c3171b675198aa9644d82b93a2c194ca08f3f7c6997f6bc
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics indicate the PDF acts as a link farm, pointing to numerous compromised WordPress upload directories and other disposable hosting, likely to distribute malicious content or phish users. The embedded URLs suggest a phishing or SEO manipulation attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9944

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16094979b5a76f---warevewutovojetewewejeso.pdf In PDF document text
    • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ee1230151---dilararojegibatig.pdfIn PDF document text
    • https://syntellect.ru/Repository/file/gexezesirukazu.pdfIn PDF document text
    • https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/24aa8b81f89823b5d5f2de1cfdb87c0d/sasosuxojonikuzujagux.pdfIn PDF document text
    • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/0286b49015a171436f8f19ab50c57ae2/rawufosi.pdfIn PDF document text
    • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c2797c548dd---97409433927.pdfIn PDF document text
    • http://taiwanglassgroup.cn/userfiles/file/libikotekuruxor.pdfIn PDF document text
    • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/3c7918cd7a2f2946cba3614877fe74d6/xexemadaviseru.pdfIn PDF document text
    • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/2e71d23cf18011908e4f580d9df887ec/94768459908.pdfIn PDF document text
    • http://essuances.com/ckfinder/userfiles/files/mamitoguloxenezozurepo.pdfIn PDF document text
    • http://anandtouristcorporation.com/uploads/naguzopexafababare.pdfIn PDF document text
    • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b9d404cf3ba---liniwogebunupewa.pdfIn PDF document text
    • http://aqbnb.com/uploadfile/file/sewosivadut.pdfIn PDF document text
    • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/a548b1b75e7a87819712885311da4e4e/52727742289.pdfIn PDF document text
    • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160866e094ff0e---23056062569.pdfIn PDF document text
    • https://dprkoreatour.com/uploads/files/vinaxetojajijakolukuz.pdfIn PDF document text
    • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/91813211bc77c3792884e489add183fa/64766578244.pdfIn PDF document text
    • http://anjilh.com/uploadfile/file///2021050202331073.pdfIn PDF document text
    • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160925b775259e---dimukejapemit.pdfIn PDF document text
    • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c51ed879100---tonafagotejejerimopen.pdfIn PDF document text
    • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/f836f2857e515c30cf50887f1736f45a/nakifanufakina.pdfIn PDF document text
    • http://mmprogetti.it/userfiles/files/molabigujuduzasirej.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=sildenafil+citrate+dosagePDF link annotation
    • 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00015892.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15892 19732 bytes
SHA-256: 8b596853fa2b6f63fd46ecf2537ce211927b5fee8f5b125343af017240306408
font_01_sfnt_off00018c3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18C3C 16160 bytes
SHA-256: 61893c6f5a4ed8be90b59e62ba5f7845fe3f782be61d2927f64273611613f2a4
font_02_sfnt_off0001a1cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A1CB 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_03_sfnt_off0001b9e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B9E2 10728 bytes
SHA-256: fbd741dfe1781c6bbd7016cd299240b0e248265a509a5b8d6eb66542174e5edb

Open this report in the interactive analyzer, or submit your own file for analysis.