Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6fb8ef1873c318f…

MALICIOUS

PDF

57.0 KB Created: 2021-05-08 16:48:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 841cab3cdc49a431661354ae1cfb9afd SHA-1: 9147a30c99b353b7fbca6c1ec113f87346b90e90 SHA-256: b6fb8ef1873c318f15b7e8a24f291f7dbde1fa9c2a4147504fbe4e8fe94e760d
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress upload storage, suggesting it's used for phishing or distributing further malware. The embedded URLs and the structure indicate an attempt to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7497

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://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160856621501ff---17478807333.pdf
    • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9b8a2ca9a---worepibefokirobupimewigi.pdf
    • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608111024606d---60157275618.pdf
    • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607665a4ed980---lujoxilamibofejuga.pdf
    • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/7fb5826fe45771fae741c5a3ec04090e/bupuxajolowuzizuwapa.pdf
    • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/ruum2fpp9ubl3f2qljh1gd0pc5/31644275260.pdf
    • http://brandnewgoods.net/userfiles/file/pasujenifunukewunititok.pdf
    • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b11944aa7a---94923890637.pdf
    • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c91fba90a---75694598716.pdf
    • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da2724e674---petisesisosekosi.pdf
    • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/c693lbtfs7s7ib1ov9tnsd86q3/lemimevojoxizin.pdf
    • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16081d6f03fbd5---levuduwupezurotine.pdf
    • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070293200d1e---9140815434.pdf
    • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/df998907619fd5dafbc130ddb6d6943b/6069581094.pdf
    • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/f340f3837d2ffea75649b94c713c69ec/99306031268.pdf
    • https://sgpropertylawyers.com/wp-content/plugins/super-forms/uploads/php/files/28ae5aec3ff1b16dfab01b142a43ce47/33544661591.pdf
    • https://alutat.com/data/file/89645535220.pdf
    • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d500ac2f97---63584686474.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=albion+online+solo+ganking+guide

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