Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ba97f24e61389c5…

MALICIOUS

PDF

12.8 KB Created: 2019-04-24 18:05:48 +01:00 Authoring application: mPDF 5.7
MD5: fd4f2dca81529a2f7bb3723ba8ae66d7 SHA-1: f48b302b3e295f9db7fd45693796ca9794ecce82 SHA-256: 1ba97f24e61389c532584a0be3a008af4a42b7782a50c3b603b0befd567b4ba0
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDFs, constituting a link farm. The primary heuristic firing indicates this is a critical finding, suggesting a potential SEO-based lure or distribution mechanism. While no scripts were extracted, the sheer volume of links and the ML classifier's high confidence point towards malicious intent, likely to drive traffic or distribute further malware. The dominant host for these links is loaminoo.linkpc.net.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

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/2096096091097096/Enemy-Within-Enemy-1-by-Marcella-Burnard.pdf
    • http://loaminoo.linkpc.net/4092095092093095/The-Enemy-of-an-Enemy-Lost-Tales-of-Power-1-by-Vincent-Trigili.pdf
    • http://loaminoo.linkpc.net/3093094093094095/Enemy-of-My-Enemy-Terra-Nova-1-by-Ben-Ohlander.pdf
    • http://loaminoo.linkpc.net/3090099099097090/Enemy-Outside-Unseen-Enemy-2-by-Marysol-James.pdf
    • http://loaminoo.linkpc.net/1091099095097091/Dance-with-the-Enemy-The-Enemy-1-by-Rob-Sinclair.pdf
    • http://loaminoo.linkpc.net/7097097097093091/Rise-of-the-Enemy-The-Enemy-2-by-Rob-Sinclair.pdf
    • http://loaminoo.linkpc.net/3097099090090097/The-Enemy-The-Enemy-1-by-Charlie-Higson.pdf
    • http://loaminoo.linkpc.net/4092091098094/The-Enemy-The-Enemy-1-by-Charlie-Higson.pdf
    • http://loaminoo.linkpc.net/7097097096098091/Dance-with-the-Enemy-The-Enemy-1-by-Rob-Sinclair.pdf
    • http://loaminoo.linkpc.net/2091093091095099/Nightmare-Ink-Living-Ink-1-by-Marcella-Burnard.pdf
    • http://loaminoo.linkpc.net/4091097095090090/Bound-by-Ink-Living-Ink-2-by-Marcella-Burnard.pdf
    • http://loaminoo.linkpc.net/4092098093094090/The-Enemy-Within-by-Connor-Fitzgerald.pdf
    • http://loaminoo.linkpc.net/2094098096099091/In-the-Arms-of-the-Enemy-by-Lisbeth-Eng.pdf
    • http://loaminoo.linkpc.net/1096098099099/Enemy-Combatant-by-Ed-Gaffney.pdf
    • http://loaminoo.linkpc.net/4090099097099094/The-Enemy-by-Wirt-Williams.pdf
    • http://loaminoo.linkpc.net/2093099099090092/Enemy-Among-Us-by-Kevin-Hamilton.pdf
    • http://loaminoo.linkpc.net/2090095095090099/Any-Approaching-Enemy-by-Jay-Worrall.pdf
    • http://loaminoo.linkpc.net/1097098098094094/The-Enemy-Within-by-Lynette-White.pdf
    • http://loaminoo.linkpc.net/4097095090099098/My-Cherished-Enemy-by-Samantha-James.pdf
    • http://loaminoo.linkpc.net/3090097098098095/Near-Enemy-Spademan-2-by-Adam-Sternbergh.pdf
    • http://loaminoo.linkpc.net/4092098093094090/The-Enemy-Within-by-Connor-Fitzgerald.p

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