Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7fe6074908d1c99…

MALICIOUS

PDF

15.4 KB Created: 2019-04-30 18:39:37 +01:00 Authoring application: mPDF 5.7
MD5: 0a2c967d27325ed0ce16b5d68e426bd7 SHA-1: 0be22daf5517ee8a4b2bd47f055e094112cc817b SHA-256: f7fe6074908d1c99066263db1f1d7c6088434c3696fe9cac1444d599cfbea17b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. While the URLs themselves are currently marked as benign, the sheer volume and the PDF_SEO_LINK_FARM heuristic suggest a malicious intent to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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.linkpc.net/3090092092091093/Poker-Face-by-Jess-Sturman-Coombs.pdf
    • http://loaminoo.linkpc.net/1099096092098098/Jess-and-the-Ghost-of-Black-Rock-Castle-The-Jess-Mystery-Series-Book-1-by-Nina-Levison.pdf
    • http://loaminoo.linkpc.net/1094099092093096/A-Crime-So-Monstrous-Face-to-Face-with-Modern-Day-Slavery-by-E-Benjamin-Skinner.pdf
    • http://loaminoo.linkpc.net/2097091090099098/Face-to-Face-with-God-Transform-Your-Life-with-His-Daily-Presence-by-Bill-Johnson.pdf
    • http://loaminoo.linkpc.net/7096096093099099/Un-d-sir-indomptable---Troublant-face---face-by-Julia-James.pdf
    • http://loaminoo.linkpc.net/2097091090097099/This-Was-Your-Life-Preparing-to-Meet-God-Face-to-Face-by-Rick-Howard.pdf
    • http://loaminoo.linkpc.net/1091098094097099090/The-Nazis---Through-the-Eyes-of-a-Child-The-autobiography-of-a-young-Jewish-refugee-who-came-face-to-face-with-Hitler-by-Margarete-Mendelsohn.pdf
    • http://loaminoo.linkpc.net/1090098090091099090/Lotte-Lasersteing-Face-to-Face-by-Alexander-Eiling.pdf
    • http://loaminoo.linkpc.net/1091094097091096099/Bad-Company-Face-to-Face-with-the-Taliban-by-Chantelle-Taylor.pdf
    • http://loaminoo.linkpc.net/5092094099090097/Les-Effac-s---Tome-4---Face-face-by-Bertrand-Puard.pdf
    • http://loaminoo.linkpc.net/7094097094091096/Face-to-Face-Hart-and-Drake-3-by-C-J-Lyons.pdf
    • http://loaminoo.linkpc.net/8095093094091097/Face-to-Face-With-Elephants-by-Dereck-Joubert.pdf
    • http://loaminoo.linkpc.net/2096093093091095/Mine-to-Hold-Mine-3-by-Cynthia-Eden.pdf
    • http://loaminoo.linkpc.net/1098090092096094/Mine-to-Spell-Mine-2-by-Janeal-Falor.pdf
    • http://loaminoo.linkpc.net/2099098091092095/Mine-to-Lose-Mine-to-Love-1-by-T-K-Rapp.pdf
    • http://loaminoo.linkpc.net/2091091092093096/Mine-to-Crave-Mine-4-by-Cynthia-Eden.pdf
    • http://loaminoo.linkpc.net/2091092095099093/Mine-to-Tarnish-Mine-0-5-by-Janeal-Falor.pdf
    • http://loaminoo.linkpc.net/3092095099097098/Now-Face-to-Face-by-Karleen-Koen.pdf
    • http://loaminoo.linkpc.net/4099092097093096/You-Are-Mine-Mine-1-by-Janeal-Falor.pdf
    • http://loaminoo.linkpc.net/4099093090091094/Say-You-re-Mine-You-re-Mine-1-by-Jenika-Snow.pdf
    • http://loaminoo.linkpc.net/1090098090091099090/Lotte-Lasersteing-Face-to-Fa

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