Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd91a58601dc3758…

MALICIOUS

PDF

67.9 KB Created: 2021-09-18 01:50:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: aab57c7a065af09563d60499ffffc7e8 SHA-1: 2b8fa8e9e332836f8ce79f8116047c3b0c6975c0 SHA-256: cd91a58601dc3758ebeb9103d930e22bd49f8cbac89cff2980181efdfb7b26f3
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a signature indicating it is a phishing trojan. Heuristics reveal it functions as a link farm, hosting numerous PDFs on disposable domains, and embeds external URIs. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest an attempt to redirect users to malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4988

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
  • 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://www.scmsgroup.org/ckfinder/userfiles/files/40462511580.pdf
    • http://ageddfjtj.pretty-match.com/upload/files/81946743314.pdf
    • https://www.bevillelecomte.com/ckfinder/userfiles/files/pabifoxatajepu.pdf
    • http://ccsl.asia/files/91908427625.pdf
    • https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/39578222584.pdf
    • http://www.smartusb.info/images/library/File/87442273123.pdf
    • http://comp-art.ru/userfiles/file/86618382523.pdf
    • http://usefchina.com/uploadfile/file///2021091119170177.pdf
    • http://agrostroi-proekt.ru/ckfinder/userfiles/files/48129085353.pdf
    • http://crosswaysrecruitment.com/userfiles/file/23202920373.pdf
    • https://i-try.tw/upfile/files/2021/09/08/52743604686.pdf
    • https://kolkatanagariksammelan.org/ckfinder/userfiles/files/8437741668.pdf
    • http://premiercontractinginc.com/files/file/55030570141.pdf
    • https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/68511967633.pdf
    • https://chuyennhakienvangvn.net/upload/files/sisakavuxeseluvotakezi.pdf
    • https://pmeds.us/userfiles/file/wofoxomabuza.pdf
    • http://ccadl.com/files/20210913234348.pdf
    • http://alpinist.store/sribati/editor/uploadfiles/kurukolemexeviviwutu.pdf
    • https://markmont.eu/editor_uploads/system/files/62979460818.pdf
    • http://palazzodiaz.com/userfiles/files/27833878566.pdf
    • https://plasy.com/uploads/file/fajilapokibukel.pdf
    • http://www.heksan.com.pl/file/dodowuvale.pdf
    • https://somos.co/dleyes/admin/fotos/file/69124372595.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=un+monstruo+viene+a+verme+pdf+descargar

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