Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c697e9ad013ce34…

MALICIOUS

PDF

67.9 KB Created: 2021-09-07 18:03:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16
MD5: ea19093f934fab97e1850988a0720928 SHA-1: 3136f38ae38598bf9edfeac17e4a0efd1fa9e94c SHA-256: 9c697e9ad013ce34f1e9ae13c9d3962943f4f47201feaf1d5234c1adeb534c7f
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous external URIs and link farms pointing to potentially compromised websites, suggesting a phishing or malware distribution scheme. Although no executable scripts were explicitly extracted, the nature of the PDF and the associated URLs strongly indicate malicious intent, likely involving the redirection of users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8539

Heuristics 5

  • 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
  • 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://cructi.ru/uplcv?utm_term=fleishigs+magazine+pdf PDF link annotation
    • http://baracenter.be/userfiles/file/28797263050.pdfIn PDF document text
    • https://aadhaarretail.com/administrator/imagetemp/file/6753182244.pdfIn PDF document text
    • https://renetravel.ro/images/files/vumawetigamuw.pdfIn PDF document text
    • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/a8tbchr46tndmafkt42ng0a9pi/23747255697.pdfIn PDF document text
    • http://flyingkirin.com/uploadfiles/file/020248151046.pdfIn PDF document text
    • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/ptnalmadb7ccebj27qssrb52u5/marifokopo.pdfIn PDF document text
    • http://amdind.com/userfiles/file/gojaloxefekosajav.pdfIn PDF document text
    • http://lateonsettay-sachs.org/userfiles/file/74719879138.pdfIn PDF document text
    • http://autobedrijvenindex.nl/images/uploads/35349917294.pdfIn PDF document text
    • https://majorsagilekvaros.hu/uploads/file/ponejabevava.pdfIn PDF document text
    • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/zasopux.pdfIn PDF document text
    • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160786b818900d---74386878125.pdfIn PDF document text
    • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/q6qn8qcb2cqm06855nlk89bttc/4457795989.pdfIn PDF document text
    • http://autoscuolecasetta.it/userfiles/files/nonokokag.pdfIn PDF document text
    • http://sakem.org/userfiles/files/bulukenot.pdfIn PDF document text
    • http://collectifff.be/imgdb/accueil/files/92990603850.pdfIn PDF document text
    • https://tekartltd.com/upload/files/50386350130.pdfIn PDF document text
    • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160719db700793---23451105973.pdfIn PDF document text
    • http://dabaizhongxue.com/upload_fck/file/2021-5-13/20210513132144417520.pdfIn PDF document text
    • https://organicfertilizerproduction.com/d/files/48709192638.pdfIn PDF document text
    • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/d6c19a90bc43a1abc3c722acebfc7a56/nerexaru.pdfIn PDF document text
    • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a075d609a3b---puxidozekexigereziwuzubi.pdfIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f95c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF95C 10664 bytes
SHA-256: c53999c361ef36e2e713c140ea9ab7ff2d4fb50008ea57cb764c397d1bd9870e

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