Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f0e2a729fa65ca7…

MALICIOUS

PDF

17.6 KB Created: 2019-04-30 17:42:51 +01:00 Authoring application: mPDF 5.7
MD5: 1cb01415c3e5f46cca808fb7d59be7e2 SHA-1: 774d50db7110cf1d4349e0118b838ff5059f4291 SHA-256: 5f0e2a729fa65ca7b9745a3db962d57e523d601a73d695bd1e1dd8a7193be41e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, which is a common tactic for SEO manipulation or distributing malicious content. While the document body is unreadable, the heuristic firings strongly suggest the intent is to drive traffic to these external URLs. 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://xiixmcuin.linkpc.net/9206208201202206/Angel-Chronicles-The-Prince-of-Persia-by-Vincent-Kyere-Kane.pdf
    • http://xiixmcuin.linkpc.net/1203201203200200/Prince-of-Persia-by-Jordan-Mechner.pdf
    • http://xiixmcuin.linkpc.net/3207207205200/I-am-Cyrus-The-Story-of-the-Real-Prince-of-Persia-by-Alexander-Jovy.pdf
    • http://xiixmcuin.linkpc.net/4206202207207200/The-Red-Pyramid-Kane-Chronicles-1-by-Rick-Riordan.pdf
    • http://xiixmcuin.linkpc.net/4203206204206207/The-Red-Pyramid-Kane-Chronicles-1-by-Rick-Riordan.pdf
    • http://xiixmcuin.linkpc.net/5207206207206209/The-Red-Pyramid-Kane-Chronicles-1-by-Rick-Riordan.pdf
    • http://xiixmcuin.linkpc.net/4204200200203203/The-Red-Pyramid-Kane-Chronicles-1-by-Rick-Riordan.pdf
    • http://xiixmcuin.linkpc.net/4204209208208/The-Kane-Chronicles-Survival-Guide-by-Rick-Riordan.pdf
    • http://xiixmcuin.linkpc.net/4206202207206209/The-Throne-of-Fire-Kane-Chronicles-2-by-Rick-Riordan.pdf
    • http://xiixmcuin.linkpc.net/2207209202200209/The-Son-of-Sobek-Percy-Jackson-amp-Kane-Chronicles-Crossover-1-by-Rick-Riordan.pdf
    • http://xiixmcuin.linkpc.net/3205205200201/The-Son-of-Sobek-Percy-Jackson-amp-Kane-Chronicles-Crossover-1-by-Rick-Riordan.pdf
    • http://xiixmcuin.linkpc.net/3205202209200201/The-Prince-s-Angel-Legends-of-the-Romanorum-1-by-Mychael-Black.pdf
    • http://xiixmcuin.linkpc.net/5202203203209208/The-Chronicles-Of-Narnia-The-Magician-s-Nephew-The-Lion-The-Witch-and-The-Wardrobe-The-Horse-and-His-Boy-Prince-Caspian-The-Voyage-of-The-Dawn-Treader-The-Silver-Chair-The-Last-Battle-The-Chronicles-of-Narnia-1-7-by-C-S-Lewis.pdf
    • http://xiixmcuin.linkpc.net/3207202206204203/Baby-Catcher-Chronicles-of-a-Modern-Midwife-by-Peggy-Vincent.pdf
    • http://xiixmcuin.linkpc.net/1200206200200200/Constellation-Chronicles-The-Lost-Civilization-of-Aries-by-Vincent-Lowry.pdf
    • http://xiixmcuin.linkpc.net/1200202204202200200/Bald-Knobbers-Chronicles-of-Vigilante-Justice-by-Vincent-S-Anderson.pdf
    • http://xiixmcuin.linkpc.net/5204207207209/Marina-the-Shadow-of-the-Wind-the-Angel-s-Game-amp-The-Prince-of-Mist-by-Carlos-Ruiz-Zaf-n.pdf
    • http://xiixmcuin.linkpc.net/4200201209206200/Prince-Caspian-The-Chronicles-of-Narnia-4-by-C-S-Lewis.pdf
    • http://xiixmcuin.linkpc.net/1200208200204209/Until-Next-Time-The-Angel-Chronicles-1-by-Amy-Lignor.pdf
    • http://xiixmcuin.linkpc.net/1200206207202208/The-Forged-Prince-Chronicles-of-Tethera-1-by-Michael-Laird.pdf

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