Malicious PDF — malware analysis report

Static analysis result for SHA-256 b689f5c533cf2b0a…

MALICIOUS

PDF

16.9 KB Created: 2019-04-30 11:24:06 +01:00 Authoring application: mPDF 5.7
MD5: dc5363788f1a914723aeef6ce2857fe1 SHA-1: 44d9f89b0dd63b648fdc5f4b6cd946f2334f1efc SHA-256: b689f5c533cf2b0a7e0a52ac9380ac95f6708825adb17c4e39c35296ab285763
90 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While many of these links were classified as benign, the sheer volume and the ML_NYX_PDF_MALICIOUS classification indicate a malicious intent. The embedded links likely serve to direct users to external sites, potentially for SEO manipulation or to distribute further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/2095092096098/A-Baby-on-the-Ranch-Ramona-and-the-Renegade-Forever-Texas-5-amp-2-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/2095096094091/Cowboy-for-Hire-Forever-Texas-11-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/2091091097099099/Lassoing-the-Deputy-Forever-Texas-4-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/5090095096090095/Colton-Copycat-Killer-The-Coltons-of-Texas-1-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/2093093091098092/Ramona-the-Pest-Ramona-Forever-Ramona-2-7-by-Beverly-Cleary.pdf
    • http://loaminoo.linkpc.net/8093091096097/Ramona-Boxed-Set-Ramona-and-Her-Father-Ramona-the-Pest-Ramona-the-Brave-Beezus-and-Ramona-1-4-by-Beverly-Cleary.pdf
    • http://loaminoo.linkpc.net/2095092091092/The-Texas-Renegade-Returns-Texas-Cattleman-s-Club-A-Missing-Mogul-10-by-Charlene-Sands.pdf
    • http://loaminoo.linkpc.net/3095091097095090/Beezus-and-Ramona-amp-Ramona-and-Her-Father-Ramona-1-4-by-Beverly-Cleary.pdf
    • http://loaminoo.linkpc.net/4098091094097093/Christmas-Every-Day-Those-Sinclairs-3-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/9092096098096090/The-Colton-Ransom-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/3097094093092094/Wife-in-the-Mail-The-Alaskans-1-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/8095092093099094/Un-singulier-garde-du-corps-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/7092093099094094/The-Setup-Hotel-Marchand-2-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/2090092095096096/Her-Sworn-Protector-The-Doctors-Pulaski-3-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/3092096092099097/Colton-by-Marriage-The-Coltons-of-Montana-1-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/1092096091099/Mommy-and-the-Policeman-Next-Door-Tripopulous-1-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/3090096097090099/Secret-Agent-Affair-The-Doctors-Pulaski-5-by-Marie-Ferrarella.pdf
    • http://loaminoo.linkpc.net/4092090097097098/Heart-of-Texas-Volume-3-Nell-s-Cowboy-amp-Lone-Star-Baby-Heart-of-Texas-5-6-by-Debbie-Macomber.pdf
    • http://loaminoo.linkpc.net/2093094099092098/Petticoat-Ranch-Lassoed-in-Texas-1-by-Mary-Connealy.pdf
    • http://loaminoo.linkpc.net/2090095093098/Cavanaugh-Reunion-Cavanaugh-Justice-19-by-Marie-Ferrarella.pdf

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