Malicious PDF — malware analysis report

Static analysis result for SHA-256 343d100df48a7292…

MALICIOUS

PDF

97.9 KB Created: 2021-06-27 23:12:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 1a4aab8b1663a1688a103f759cf809fe SHA-1: be5e6ee30cff07baf545a4ac8bb8b1b997fedf94 SHA-256: 343d100df48a729293bb1844011fc88e97deb1025d683d907d8ff2381d99d624
124 Risk Score

Malware Insights

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

The file was detected by ClamAV as Pdf.Phishing.Trojan. It contains numerous external URIs and embedded URLs, many of which point to compromised WordPress installations and disposable hosting. These URLs are likely used to lure users to phishing sites or download further malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4806

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://garglob.ru/uplcv?utm_term=sro+hotel+meaning
    • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16099e3d68b68b---33751161182.pdf
    • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608acaadb377d---mopineremexofezazapa.pdf
    • https://torgradio.ru/new/files/file/fugirawekukijune.pdf
    • http://www.abcklima.hu//data/editorfile/97048204520.pdf
    • http://pospatrans.cz/UserFiles/File/20832557425.pdf
    • http://samtle.net/ckupload/files/timoxikunawojolanoruvadoj.pdf
    • https://33mobility.net/uploads/files/34034656776.pdf
    • http://ketnoikienthuc.com/upload/files/96087532865.pdf
    • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b91aba5908---96470534856.pdf
    • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/s82ih67troilunl3l7b47r8h7f/pavabu.pdf
    • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afded529dcf---kigepifimuxedifimoruf.pdf
    • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ecedf09ab---masobemazitowidopusokun.pdf
    • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/2e84cc44fdb295c5878b006e790c446a/10828572710.pdf
    • http://bkht.vn/userfiles/file/64366891409.pdf
    • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab85d433424---topaxotomikiraw.pdf
    • https://airtelco.com/data/users/_/email/files/99565587696.pdf
    • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bde6f03f041---buzeke.pdf
    • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/412338e82f3bdabcd267ff6968697e28/43763622129.pdf
    • http://sity-luxe.ru/userfiles/file/12155894720.pdf
    • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/mmv1gmpn0d5ge2lqc1ptl1g2q9/kewomisimim.pdf
    • http://rwdwebwebdesign.com/img-aim/files/51515180188.pdf
    • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609484c33cc6f---57922902487.pdf
    • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a8bc673a0---bumujirapazalet.pdf
    • http://gamjagolla.com/uploads/files/65091636116.pdf

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