Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fb7d5327e7b56da…

MALICIOUS

PDF

49.7 KB Created: 2021-07-14 05:45:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-26
MD5: a7eb18a1821debe241b280af849f64df SHA-1: da2fcd5cb717013b5ef6b45f12551446a406f408 SHA-256: 2fb7d5327e7b56dae13686dbd30dcef61a017504c88dafcd34f458735860964c
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. The heuristics indicate that the PDF acts as a link farm, pointing to multiple compromised WordPress sites hosting similar PDF files. This suggests a phishing or malware distribution campaign, likely initiated via spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6237

Heuristics 6

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/7f15c96cf136df9b0eed779b05141d62/62349204417.pdf In PDF document text
    • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/284kior73nd3bgrsnvinp4nrm9/41655373328.pdfIn PDF document text
    • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/5f096f16220709659e310abd81bc503f/87597984894.pdfIn PDF document text
    • http://hanboo.cn/Uploads/file/2021052207213070554.pdfIn PDF document text
    • http://nhakhoasaigonkimcuong.com/uploads/images/files/1861203335.pdfIn PDF document text
    • http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/q6fk6od6al9a8rb9o20us5n40p/katomopimobufeguf.pdfIn PDF document text
    • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/72dc52fd429726a0c9b3488c04172e61/60798787686.pdfIn PDF document text
    • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d88ce63f55---57241135905.pdfIn PDF document text
    • http://uralinteh.com/uploads/files/21363598519.pdfIn PDF document text
    • https://hgb.se/filer/file/97238344341.pdfIn PDF document text
    • https://linlinline.biz/js/ckfinder/userfiles/files/nawanadakugegaraloge.pdfIn PDF document text
    • http://dent-pro.cz/pic/file/93600846466.pdfIn PDF document text
    • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb0c1a62da0---52504498176.pdfIn PDF document text
    • http://sequirk.ie/userfiles/file/43145957915.pdfIn PDF document text
    • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c81a57ec5---pezisarukap.pdfIn PDF document text
    • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/rsn19lq2gcth3dg2l7g295po6n/dopavakum.pdfIn PDF document text
    • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/741365a286d932c3bc139fbea591fd88/pipapenemodu.pdfIn PDF document text
    • https://angelsstaff.com/uploads/file/ziserifonimizevi.pdfIn PDF document text
    • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c148627ad50---47535060477.pdfIn PDF document text
    • https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/0b3c70eae737141f84cc8a13e875ac33/57242065183.pdfIn PDF document text
    • https://urbanlivin.lu/userfiles/files/jofidegu.pdfIn PDF document text
    • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/ca0920da752abac1461d0c8b1c0ffe3a/27446196276.pdfIn PDF document text
    • http://richwoods1969.com/clients/861079/File/kanuxuxaweboma.pdfIn PDF document text
    • http://richmediahouse.com/admin/uploads/file/jewiwarokaj.pdfIn PDF document text
    • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c582b9e283f---73735077275.pdfIn PDF document text
    • http://componentcnc.hu/uploads/ckfinder/userfiles/files/xikuvezolaka.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=what+should+my+fashion+style+bePDF link annotation

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