Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c9c2992072d504d…

MALICIOUS

PDF

236.1 KB Created: 2021-08-19 10:48:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: b1342078740ff672cba2290a230ae550 SHA-1: 62129205a49873c06b0ac39df29d6fee5b7cb408 SHA-256: 7c9c2992072d504d99ceddbd35a5ecbc25e4085e106d27088ab059ea0f97b4ab
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous external URIs and links to compromised WordPress upload storage, suggesting it is used to redirect users to malicious sites. The presence of PDF-specific heuristics further supports its role as a malicious PDF document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9036

Heuristics 4

  • 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.
  • 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://smidgel.ru/uplcv?utm_term=gta+v+arrest+manager+controls PDF link annotation
    • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e2615bf4c9---kefuzogomote.pdfIn PDF document text
    • http://chemonova.com/FCKeditor/file/98069614620.pdfIn PDF document text
    • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/03d7b213ddf659f0e9e1f265f7754e55/8614707961.pdfIn PDF document text
    • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/kmcn91or617htphec1a1t2csd2/purorave.pdfIn PDF document text
    • https://www.indoorclub-informa.com/boletines/img/file/1032891197.pdfIn PDF document text
    • https://lapalettedesarts.fr/gestion/file/tewisuwitaz.pdfIn PDF document text
    • http://betheaskssd.com/flash/betheaskssd.com/file/25118558198.pdfIn PDF document text
    • http://afgventuregroup.com/cfiles/file/nawakaxegumujowafiw.pdfIn PDF document text
    • https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/falilerorosun.pdfIn PDF document text
    • https://lochoanggia.com/upload/files/nugimefamowiviponof.pdfIn PDF document text
    • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608559360c07a---83065411914.pdfIn PDF document text
    • https://activepymes.com/pub/file/50947386492.pdfIn PDF document text
    • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16102cfc8a42c7---mekit.pdfIn PDF document text
    • http://tajeer.co/userfiles/file/fukovufopadax.pdfIn PDF document text
    • https://tbsva.org/Upload/files/20210714015724.pdfIn PDF document text
    • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c78b8d7df30---73965619908.pdfIn PDF document text
    • http://sosnovgeo.ru/userfiles/file/30991802658.pdfIn PDF document text
    • http://torgoborud.org/images/file/62995238136.pdfIn PDF document text
    • https://brahmagnanam.org/fck_uploads/file/83431434980.pdfIn PDF document text
    • http://anhuishangbiao.com/upload_fck/file/2021-5-11/20210511121613100796.pdfIn PDF document text
    • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/eahj5k04k9303lsh9hd21ll8t0/99227852046.pdfIn PDF document text
    • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/2b782f855945fda6d1bbd0d5e0b43a3e/29945092129.pdfIn PDF document text
    • http://milkexim.ru/imgeditor/file/wuvawuwipufefixipekenum.pdfIn PDF document text
    • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/921f0d8aa16e9a49fd9078016159a167/jatodokuvunajimiregutu.pdfIn PDF document text

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