Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2d534c04ccdd5fc…

MALICIOUS

PDF

59.9 KB Created: 2021-03-12 01:09:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5bbd9dd9525da93fc390301db05bc524 SHA-1: 1eaadcd46d459d24fb2577fc45d205d24ae4f08f SHA-256: d2d534c04ccdd5fcafc93b9a0e0094c40f10cc005985f0fc4c2cc555c97c2e6d
212 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external websites, many of which are flagged as malicious or part of a link farm designed to obscure malicious destinations. The ClamAV detection and ML classifier further support its malicious nature. The embedded URLs suggest an attempt to redirect the user to potentially harmful content, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6078

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://yafferge.ru/award?keyword=glicosideos+cardiotonicos+pdf
    • http://yourbigdick.space/66846205312580sj.pdf
    • https://jabenawonidibe.weebly.com/uploads/1/3/5/3/135385032/6903857.pdf
    • http://manapuzasupin.sportsontheweb.net/citas_biblicas_poder_de_la_oracion.pdf
    • https://gusupaserilobe.weebly.com/uploads/1/3/5/3/135312632/lixawakuxapu.pdf
    • https://static.s123-cdn-static.com/uploads/4449627/normal_5fdec367e7708.pdf
    • https://static.s123-cdn-static.com/uploads/4456982/normal_5fe4c5b375198.pdf
    • http://lavogomibonit.iblogger.org/puffin_browser_pc.pdf
    • http://rowomonug.mywebcommunity.org/learn_english_through_story_advanced_level_6.pdf
    • http://groshyk.site/maserati_granturismo_sport_review_top_gear8euly.pdf
    • http://mamefumiwuto.mywebcommunity.org/dyson_v6_absolute_reviews_uk.pdf
    • https://nomibazet.weebly.com/uploads/1/3/1/4/131437462/xobuvega_wenureregux_saxizadov.pdf
    • http://wumijodurixemi.22web.org/devofapaxus.pdf
    • https://vefurubaturuxal.weebly.com/uploads/1/3/0/7/130739777/puzogosokebomip_wepopokumene_metuguroxo.pdf
    • http://fujigukatujewu.medianewsonline.com/57733462068.pdf
    • https://zefakibafiv.weebly.com/uploads/1/3/1/3/131383453/6d0050ab0.pdf
    • https://belujewirozem.weebly.com/uploads/1/3/2/6/132681559/566365f50a0faa.pdf
    • https://wisemawuperu.weebly.com/uploads/1/3/0/7/130738751/wojanuwemagilili.pdf
    • https://vekewofamir.weebly.com/uploads/1/3/4/1/134131384/5107606.pdf
    • http://duwopatovulid.rf.gd/islamic_dua_book_bangla_free_download.pdf
    • http://tesedep.rf.gd/health_and_safety_engineer_duties.pdf
    • http://jiwuboro.epizy.com/63267771293.pdf
    • http://tososite.onlinewebshop.net/majizifexeg.pdf

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