Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8fb41b9091ff14f…

MALICIOUS

PDF

17.9 KB Created: 2019-04-30 06:00:25 +01:00 Authoring application: mPDF 5.7
MD5: e1c45bb52dd7f6eec356ff00eae3f9a8 SHA-1: e7a02bd5847a9232963b2385af54c5f7dc7a3a92 SHA-256: d8fb41b9091ff14f8492e3c661062f5be1b4c9d2e4d63c2e14bd021ca5edb87c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents hosted on the 'loaminoo.linkpc.net' domain. This behavior is indicative of SEO poisoning or a link farm designed to distribute malicious content or redirect users to phishing sites. The ML classifier also flagged this PDF as malicious with high confidence. 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/1090096099099097098/Der-Tag-an-dem-die-Hummer-schwimmen-lernten-Roman-by-Colette-Victor.pdf
    • http://loaminoo.linkpc.net/1090094097094098091/Schwimmen-Schwimmen-Home-USA-Schwimmen-Der-Swimming-Pool-Schwimmen-lernen-Schwimmer-Schwimmbad-Alles-was-Sie-wissen-m-ssen-by-Dale-Waller.pdf
    • http://loaminoo.linkpc.net/3095098091093097/What-To-Do-With-Lobsters-in-a-Place-Like-Klippiesfontein-by-Colette-Victor.pdf
    • http://loaminoo.linkpc.net/1090094097094098094/Schwimmen-Lernen-In-Blau-Roman-by-Kirsten-John.pdf
    • http://loaminoo.linkpc.net/1090094097095093094/Schwimmen-lernen-in-Blau-Roman-by-Kirsten-John.pdf
    • http://loaminoo.linkpc.net/7094099095099091/Le-Christi-Roman-by-Ren--Victor-Pilhes.pdf
    • http://loaminoo.linkpc.net/7099094098093099/A-Victor-in-Disarray---The-Story-of-the-Roman-People-vol-III-by-Nanami-Shiono.pdf
    • http://loaminoo.linkpc.net/2092092091097/Girl-Unmoored-by-Jennifer-Gooch-Hummer.pdf
    • http://loaminoo.linkpc.net/3099092096090094/Tyger-Pants-is-Victor-the-Victor-in-Cretin-the-Cruel-and-the-Invasion-of-the-Werebeast-Army-by-Royston-G-Wood.pdf
    • http://loaminoo.linkpc.net/1090094097096096099/Ich-trainiere-Schwimmen-by-Katrin-Barth.pdf
    • http://loaminoo.linkpc.net/1090094097097098092/Abnehmen-mit-Schwimmen-by-Mike-Prange.pdf
    • http://loaminoo.linkpc.net/1090094097098098096/Der-Sommer-in-dem-Linda-schwimmen-lernte-by-Roy-Jacobsen.pdf
    • http://loaminoo.linkpc.net/9096093094096098/Lotta-lernt-schwimmen-by-Denise-Heimrath.pdf
    • http://loaminoo.linkpc.net/1090094097095092098/Ein-Fisch-lernt-schwimmen-by-Monika-Grande.pdf
    • http://loaminoo.linkpc.net/8098099092099090/Victor-Hugo---Die-Elenden-Les-Mis-rables-Gesamtausgabe-Band-1-bis-5-in-ungek-rzter-deutscher-Fassung-by-Victor-Hugo.pdf
    • http://loaminoo.linkpc.net/1090094097098098099/Schwimmen-lernen-f-r-Klein-und-Gro-by-Mike-Prange.pdf
    • http://loaminoo.linkpc.net/1090094097098099090/Aquap-dagogik---fr-h-sicher-und-vielseitig-schwimmen-by-Uwe-Legahn.pdf
    • http://loaminoo.linkpc.net/1090094097098098093/Ente-Erna-mag-nicht-schwimmen-by-Clarissa-Hagenmeyer.pdf
    • http://loaminoo.linkpc.net/7095097096090093/The-Works-of-Victor-Hugo-Hans-of-Iceland-Bug-Jargal-Claude-Gueux-by-Victor-Hugo.pdf
    • http://loaminoo.linkpc.net/1090094097098098097/Garantiert-nie-wieder-Wadenkr-mpfe-beim-Schwimmen-by-Mark-Flitz.pdf
    • http://loaminoo.linkpc.net/3099092096090094/Tyger-Pants-is-Victor-the-Victor-in-Cretin-the

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