Malicious PDF — malware analysis report

Static analysis result for SHA-256 86a1b9232ea242df…

MALICIOUS

PDF

65.1 KB Created: 2021-06-29 03:08:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: 194cf32b6b3e003cfc43e76e979e61a0 SHA-1: 7e57553c5941ee5bf6d02ed9fd9edd6229fbc959 SHA-256: 86a1b9232ea242dfe21b4ae9ea1babf8c64b13eb1401cf4553e98cb188ac063d
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link farm pointing to numerous compromised websites, identified by heuristics as potentially malicious CMS uploads. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely to lure users to phishing sites or download further malware. No scripts were extracted, but the structure suggests a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4986

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://faw-asia.com/image/upload/files/domafuwumoses.pdf In PDF document text
    • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/4c138d285b22fbacfd189637cd0ca637/wosipininimige.pdfIn PDF document text
    • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/cf605a425e06f8616ee67774749dd997/60580105640.pdfIn PDF document text
    • https://abeess.com/userfiles/file/68562592326.pdfIn PDF document text
    • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/205f3319af6edd008215222c8d168ad9/31632622354.pdfIn PDF document text
    • http://officinedesign.it/userfiles/files/66711231270.pdfIn PDF document text
    • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/ce4d46ab2aee53da5fbf83b17537132c/53429334911.pdfIn PDF document text
    • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/afd0ff305f2907d70382ac51bf031c1d/93020308226.pdfIn PDF document text
    • https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/aa979eb80c34e54b92c585fb49040b0e/xifamabawu.pdfIn PDF document text
    • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160787f8c5d115---36880460196.pdfIn PDF document text
    • http://kiavysocina.cz/UserFiles/File/roximowozavelunovov.pdfIn PDF document text
    • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/10994ff9967597dcc4091d6c85c86835/13403756819.pdfIn PDF document text
    • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d6b56f3434ede1295916907cabe93f83/kinutex.pdfIn PDF document text
    • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e153ab90b0---zeronoxelinafipofetel.pdfIn PDF document text
    • http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/pakilivimosugozezog.pdfIn PDF document text
    • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddc5df2942---51325224817.pdfIn PDF document text
    • http://findmecakes.com/userfiles/files/7365845269.pdfIn PDF document text
    • http://myphamlulanjina.com/upload/files/91211038712.pdfIn PDF document text
    • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/1s8jsqsposaulle7r498gqsfm1/gozakezetewowexe.pdfIn PDF document text
    • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0c78a53f5---25473567353.pdfIn PDF document text
    • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c82208bd37---95146451706.pdfIn PDF document text
    • http://auksozvynas.lt/userfiles/file/nejokuboxewameke.pdfIn PDF document text
    • http://casier-a-bouteilles.fr/file/70120317607.pdfIn PDF document text
    • https://khotelmarket.com/FileData/ckfinder/files/20210629_F1549B17016DCD08.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=can+velocity+be+negativePDF link annotation

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