Malicious PDF — malware analysis report

Static analysis result for SHA-256 6970059d787322ed…

MALICIOUS

PDF

62.3 KB Created: 2021-08-01 13:12:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 0a9638d43772d949f28eab6982a2d1be SHA-1: 531dc723750772a22fec336befdc0b7ea05733fc SHA-256: 6970059d787322edf1207a7ac17058ceb98999e37aeec472c4bbadfa0d79361c
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a link farm with numerous URLs hosted on potentially compromised WordPress sites and disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious content or phishing pages. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9533

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://bnbcostaverde.it/userfiles/file/lomojebukisaj.pdf
    • http://longthinhphat.net/uploads/files/lilapazivopu.pdf
    • http://scantech3d.com/files/vumuwotisi.pdf
    • http://classicalgardenstatues.com/uplds/file/45966742251.pdf
    • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609c2df008ce5---67305405261.pdf
    • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d004bd801---36897320588.pdf
    • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/2u19nu77nffjq80uv21ran1tl0/bawatedodipibegafopoxu.pdf
    • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/f7450152435a726c29944d72d18f12f3/puwawuvozuzojujipe.pdf
    • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160b5582be3545---zotewonivulozonasawares.pdf
    • http://kimwendelldesign.com/ckfinder/userfiles/files/99098896834.pdf
    • http://myconnect-thailand.com/image/upload/File/tujupujiji.pdf
    • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5be5809dd---78535216200.pdf
    • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/tp2jb0ekqb27hqfhu8ipsbg417/tugaxiwirewegizagodomonu.pdf
    • https://widepolymers.com/userfiles/file/66711818654.pdf
    • http://exclusivelimoservice.com/ckfinder/userfiles/files/82859957514.pdf
    • http://mrsjamesirvine.com/clients/82887/File/vatepasanaxotera.pdf
    • https://cambodiadriverservice.com/userfiles/file/vopigirezuki.pdf
    • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/b9b9962d408c7877f700cc743572563f/zidobizajazu.pdf
    • http://bjjiffy.com/upload/tafipititurituxesolid.pdf
    • https://jetaime-shop.com/files/ximulubijew.pdf
    • https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/ev4ml23dkrcepgbkn2stjr2dn4/sikugivigarumufe.pdf
    • http://ladue69.com/clients/876446/File/81147795240.pdf
    • http://ratchadatitan.com/UserFiles/File/sikapajelavivesekopabu.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=hitman+absolution+cheat+engine+trainer

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