Malicious PDF — malware analysis report

Static analysis result for SHA-256 f294c36ba4ca4019…

MALICIOUS

PDF

16.9 KB Created: 2019-05-01 06:12:30 +01:00 Authoring application: mPDF 5.7
MD5: a2741ae9755ab7466230e595a839779a SHA-1: 0bc0272f6e3c4110289c30ab8b254e9510d2db9b SHA-256: f294c36ba4ca4019196444cf98ea8eed932cf8e4bc0bf98cde3ac6068463d7c9
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of embedded URLs, identified as a link farm. This technique is often used to manipulate search engine rankings or to distribute malicious payloads. While the specific URLs extracted were flagged as benign, the overall structure and the ML classifier's high confidence score indicate malicious intent. No scripts were extracted from this sample, limiting further analysis of its execution behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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://muicuiu.dumb1.com/9a05a00a03a05a01/I-Don-t-Respect-Female-Expression-by-Frank-Hinton.pdf
    • http://muicuiu.dumb1.com/2a09a01a03a01a00/Proper-Respect-for-a-Wound-by-Lindsay-Boyd.pdf
    • http://muicuiu.dumb1.com/7a00a09a00a07a01/Loyalty-amp-Respect-Tania-s-Story-by-Drea-Delgado.pdf
    • http://muicuiu.dumb1.com/3a09a09a07a02a04/How-It-Found-Love-Happiness-and-Respect-by-Jason-Wolf.pdf
    • http://muicuiu.dumb1.com/6a05a01a05a06a01/The-Fruit-of-Her-Hands-Respect-and-the-Christian-Woman-by-Nancy-Wilson.pdf
    • http://muicuiu.dumb1.com/7a05a03a01a02a01/Dear-Parent-Caring-for-Infants-With-Respect-by-Magda-Gerber.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a00a05a08/Fuchsias-by-Gerda-Manthey.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a01a00a07/Manna-by-Carl-Manthey-Zorn.pdf
    • http://muicuiu.dumb1.com/5a01a08a04a00a02/The-Practice-of-Primary-Nursing-by-Marie-Manthey.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a00a05a07/Die-Zeitreisende-Teil-5-Der-Sklavenaufstand-by-Hardy-Manthey.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a00a07a00/Handbook-of-the-Old-Testament-Prophets-by-James-Manthey.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a00a06a06/Datenschutz-in-Der-Kinder--Und-Jugendhilfe-by-Andreas-Manthey.pdf
    • http://muicuiu.dumb1.com/6a03a09a03a07a01/Lazar-the-Good-Deed-Dog-Giving-Love-and-Respect-to-Our-Elderly-by-Myrna-Gelman-Shanker.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a00a04a02/Die-Zeitreisende-Teil-7-Die-Macht-der-Unsterblichen-by-Hardy-Manthey.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a01a00a09/Dionysus-The-tragedy-of-Nietzsche-by-Otto-Manthey-Zorn.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a01a01a08/Germany-in-Travail-Microform-by-Otto-Manthey-Zorn.pdf
    • http://muicuiu.dumb1.com/3a07a08a09a00a01/How-to-Raise-Your-Self-Esteem-The-Proven-Action-Oriented-Approach-to-Greater-Self-Respect-and-Self-Confidence-by-Nathaniel-Branden.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a01a01a07/Amphibien-und-Reptilien-S-dostasiens-by-Ulrich-Manthey-Wolfgang-Grossmann.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a00a04a09/Die-Zeitreisende-Teil-4-Der-Tempel-und-das-geheime-Grab-by-Hardy-Manthey.pdf
    • http://muicuiu.dumb1.com/1a01a03a07a09a07a03/Die-Zeitreisende-Teil-9-Zur-ck-in-die-antike-Welt-by-Hardy-Manthey.pdf

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