Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8ffef217e2693a4…

MALICIOUS

PDF

26.2 KB Created: 2019-04-30 01:50:02 +01:00 Authoring application: mPDF 5.7
MD5: d0ada78d6576269ec00cbaec5e642fde SHA-1: 4c5ca7cec4052589e7fd451bc2ad83bb0cf096ab SHA-256: c8ffef217e2693a4625e39601ce5e8b41d7b173e8bc26eb6580feeee052a8e43
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File: User Execution: Malicious File

The PDF was flagged by a machine learning classifier as malicious and contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to lure users to external resources. No scripts were extracted, and the URLs themselves were labeled as benign, but the overall structure and heuristic firings strongly indicate a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

Heuristics 2

  • 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.
  • 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://loaminoo.l
    • http://loaminoo.linkpc.net/4099097092097091/Tuning-Containing-The-Perfection-Of-Eighteenth-Century-Temperament-The-Lost-Art-Of-Nineteenth-Century-Temperament-And-The-Science-Of-Equal-Temperament-Complete-With-Instructions-For-Aural-And-Electronic-Tuning-by-Owen-H-Jorgensen.pdf
    • http://loaminoo.linkpc.net/7093092096090092/Handbook-of-Temperament-by-Marcel-Zentner.pdf
    • http://loaminoo.linkpc.net/9090094090095095/EFT-for-the-Highly-Sensitive-Temperament-by-Rue-Hass.pdf
    • http://loaminoo.linkpc.net/8092099094092/Please-Understand-Me-Character-and-Temperament-Types-by-David-Keirsey.pdf
    • http://loaminoo.linkpc.net/9097092098097095/Hypatia-s-Heritage-A-History-of-Women-in-Science-from-Antiquity-to-the-Late-Nineteenth-Century-by-Margaret-Alic.pdf
    • http://loaminoo.linkpc.net/1091092090096092099/One-Hundred-Lectures-on-the-Ancient-and-Mordern-Dramatic-Poets-the-Heathen-Mythology-Oratory-and-Elocution-Down-to-the-Nineteenth-Century-Commencing-with-Thespis-the-Founder-of-the-Dramatic-Art-Sixth-Century-B-C-by-Benjamin-Charles-Jones.pdf
    • http://loaminoo.linkpc.net/5096090095096094/The-Tuning-Station-by-Chris-A-Crawford.pdf
    • http://loaminoo.linkpc.net/9091099092094092/Fine-Tuning-Hanna-by-Tiina-Walsh.pdf
    • http://loaminoo.linkpc.net/7094093092097091/Oracle8i-Performance-Tuning-24seven-by-James-Coopman.pdf
    • http://loaminoo.linkpc.net/1090099091093096095/Turning-OFF-Noise-Tuning-IN-to-Healthy-Sound-by-Gwen-Ebner.pdf
    • http://loaminoo.linkpc.net/1091094097093097092/The-Global-Eighteenth-Century-by-Felicity-Nussbaum.pdf
    • http://loaminoo.linkpc.net/3099090092094097/The-Broadview-Anthology-of-British-Literature-Volume-6a-The-Twentieth-Century-and-Beyond-From-1900-to-Mid-Century-Volume-6a-The-Twentieth-Century-and-Beyond-From-1900-to-Mid-Century-by-Joseph-Laurence-Black.pdf
    • http://loaminoo.linkpc.net/5092093093098097/Lord-Hervey-Eighteenth-Century-Courtier-by-Halsband.pdf
    • http://loaminoo.linkpc.net/9094090091096093/Eighteenth-Century-British-Midwifery-Part-II-by-Pam-Lieske.pdf
    • http://loaminoo.linkpc.net/6093098093093091/Diocese-of-Killaloe-in-the-eighteenth-century-by-Ignatius-Murphy.pdf
    • http://loaminoo.linkpc.net/7099092090098099/Capital-in-the-Nineteenth-Century-by-Paul-W-Rhode.pdf
    • http://loaminoo.linkpc.net/4094095091092097/Paris-and-the-Nineteenth-Century-by-Christopher-Prendergast.pdf
    • http://loaminoo.linkpc.net/9092099097091090/The-Red-and-the-Black-A-Chronicle-of-the-Nineteenth-Century-by-Stendhal.pdf
    • http://loaminoo.linkpc.net/1091090097094097091/The-Ambient-Century-From-Mahler-to-Trance-The-Evolution-of-Sound-in-the-Electronic-Age-by-Mark-Prendergast.pdf
    • http://loaminoo.linkpc.net/1090097098094093091/Modes-amp-Manners-From-the-Middle-Ages-to-the-End-of-the-Eighteenth-Century-by-Max-Von-Boehn.pdf

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