Malicious PDF — malware analysis report

Static analysis result for SHA-256 3058db894e8734b3…

MALICIOUS

PDF

45.7 KB Created: 2021-09-29 10:53:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 7f2cc1a7823667ca46dd0e26cff43ab9 SHA-1: 5532b29c327a0a46ba648bb69c69a364bb3a72cb SHA-256: 3058db894e8734b38ea4861165449df450a3201ab46e4fab46aef6f5f4101aa7
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF is identified as an image-only lure, typical of phishing campaigns, containing numerous links to external domains. The ClamAV detection and ML classifier strongly indicate malicious intent. The presence of many disposable links suggests an attempt to obscure the ultimate destination or to distribute a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7355

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 45 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://www.polni.si/Images/files/norudedabidomun.pdf
    • http://cukiernia.eu/upload/files/74871663260.pdf
    • http://asijskepotraviny.cz/files/file/pelolureruwadene.pdf
    • http://gearonlaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/norupubamodeg.pdf
    • http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/vamazaziwigopefuze.pdf
    • https://learnrkbin.jugalbandiresearch.com/ckfinder/userfiles/files/82793207670.pdf
    • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/mlam30m0r4ukh38irqfb5r45gt/wopebu.pdf
    • http://oresteruggiero.com/userfiles/files/lidovukedavotivokigipa.pdf
    • http://jncs.kr/page_data/file/20210901171340.pdf
    • http://konberdbio.com/upload/files/mozinaxizoligefexexi.pdf
    • http://eurekaelearning.com/upload/news/file/vomefigavarageledoz.pdf
    • http://yogo110.com/userfiles/file/nukimixotagawan.pdf
    • http://balade-pierry.fr/userfiles/file/bemawadajugigorejaleti.pdf
    • http://www.tiendadelbordado.com/ckfinder/userfiles/files/56256147095.pdf
    • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e92b4a8ec6---zotefixezazopugibujiwef.pdf
    • https://semineebrasov.ro/printuri-fi/files/96634694896.pdf
    • https://ppkh.net/userfiles/file/83847740908.pdf
    • https://nyig.com/files/file/57063610491.pdf
    • http://absolutelyneon.com/userfiles/file/16214711328.pdf
    • http://canvangdientu.com/images/file/12651935683.pdf
    • http://taiwanglassgroup.cn/userfiles/file/jeriworuk.pdf
    • http://studioesflores.pl/obrazy/file/jonirivebukoxuramazekenat.pdf
    • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/4372905511.pdf
    • http://vom-ragnaroek.de/uploads/file/kisutuguzof.pdf
    • http://allycatering.com/userfiles/supedekutalokap.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=my+lady+boss+full+movie+marian+rivera

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