Malicious PDF — malware analysis report

Static analysis result for SHA-256 d89dd41993d7b642…

MALICIOUS

PDF

17.4 KB Created: 2019-05-01 19:40:33 +01:00 Authoring application: mPDF 5.7
MD5: a668d09b4151a0bd51bd34d08b485ee9 SHA-1: b41312f0eb84de1c279574dd34a50ac144df5b10 SHA-256: d89dd41993d7b64254b62a39a962acae62be0c6fb81df0641fbab645e891a03a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. While the URLs themselves are labeled as benign, the sheer volume and the heuristic firing 'PDF_SEO_LINK_FARM' suggest a malicious intent, likely for SEO manipulation or to redirect users to potentially harmful content. The ML classifier also flagged this PDF as malicious.

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/6098098099090096/The-Prince-s-Secret-Baby-Bravo-Royales-1-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098098099099/The-Prince-She-Had-to-Marry-Bravo-Royales-2-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/2098093092091097/Her-Highness-and-the-Bodyguard-Bravo-Royales-4-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098097099095/Having-Tanner-Bravo-s-Baby-Bravo-Family-22-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098099093092/Valentine-s-Secret-Child-Bravo-Family-21-Bravo-Family-Ties-Miniseries-8-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/3096093096094093/His-Executive-Sweetheart-Bravo-Family-10-The-Sons-Of-Caitlin-Bravo-1-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098099090094/Scrooge-and-the-Single-Girl-Bravo-Family-12-The-Sons-of-Caitlin-Bravo-3-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098097099092/Marriage-Bravo-Style-Bravo-Family-31-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098097098096/The-Bravo-Billionaire-Bravo-Family-8-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/1092090094097/Married-In-Haste-Bravo-Family-18-Bravo-Family-Ties-Miniseries-5-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/3092099097090097/The-M-D-She-Had-To-Marry-Bravo-Family-6-Conveniently-Yours-6-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/2090092096092094/Married-By-Accident-Bravo-Family-4-Conveniently-Yours-4-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/2090092096090098/Practically-Married-Bravo-Family-3-Conveniently-Yours-3-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/2091091098098090/For-The-Baby-s-Sake-Silhouette-Special-Edition-925-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/2095090092098095/The-Prince-s-Secret-Baby-Royal-House-of-Leone-3-by-Jennifer-Lewis.pdf
    • http://loaminoo.linkpc.net/6098097097096091/Holiday-Royale-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/1092099091090/Midsummer-Madness-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/1097092094092090/The-Tycoon-s-Instant-Daughter-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/1091090096090098094/Champagner-K-sse-und-ein-Traumprinz-Bianca-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/3094090093095090/Sunshine-And-The-Shadowmaster-The-Jones-Gang-5-by-Christine-Rimmer.pdf