Malicious PDF — malware analysis report

Static analysis result for SHA-256 f24816a43205f15a…

MALICIOUS

PDF

20.7 KB Created: 2019-11-07 15:56:51 +00:00 Authoring application: mPDF 5.7
MD5: d16fdda860d3514950f26926517dbeeb SHA-1: 4f7965f5800f8fbd29d9cc8f113fd695054459c9 SHA-256: f24816a43205f15ae0050eac068d9578a9e6391b4544cf8db18c8ba5b73077a3
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to drive traffic to malicious sites. The ML classifier also flagged this document as malicious. No scripts were extracted from this sample, and the document body was heavily obfuscated, limiting further analysis.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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://cefasfese.4pu.com/1731735739735735738/So-wird-deine-Hand-mich-halten-Hannah-Das-Amischm-dchen-Bd-3-Sisters-of-the-Quilt-3-by-Cindy-Woodsmall.pdf
    • http://cefasfese.4pu.com/3739736732734730/Nimm-mich-bezahl-mich-zerst-r-mich---Mein-Leben-als-minderj-hrige-Prostituierte-in-Deutschland-by-Lisa-M-ller.pdf
    • http://cefasfese.4pu.com/1730738739737736736/K-ss-mich-und-vergiss-mich-by-Halina-Grave.pdf
    • http://cefasfese.4pu.com/1731731730732738731/Leck-mir-den-Kitzler-und-fick-mich-in-den-Arsch-Mach-mit-mir-was-du-willst-aber-lass-mich-dein-Sperma-schlucken-by-Tanja-Lempke.pdf
    • http://cefasfese.4pu.com/1730731737735739734/Geh-mit-mir-und-find-die-wei-e-Feder-Unachtsamkeit-f-hrte-mich-in-die-soziale-Isolation-schenkte-mir-eine-Form-der-Solidarit-t-und-stellte-mich-an-den-Rand-der-Gesellschaft-by-Netta-Telge.pdf
    • http://cefasfese.4pu.com/1731739737737733733/In-alle-Richtungen-gestreckt-by-Eva-Neuveard.pdf
    • http://cefasfese.4pu.com/1730733732732730733/Ein-Mann-ist-nicht-genug-by-Eva-Neuveard.pdf
    • http://cefasfese.4pu.com/9734732734735735/K-ss-mich-im-Sommerregen-K-ss-mich-Serie-1-by-Charlotte-Cole.pdf
    • http://cefasfese.4pu.com/1731736730739734734/Weibliche-Emanzipation-in-Orient-Und-Okzident-Von-Der-Unmoglichkeit-Die-Andere-Zu-Befreien-by-Anja-Jedlitschka.pdf
    • http://cefasfese.4pu.com/1731735730733737735/Gelassenheit-lernen-Wie-Sie-sich-von-negativen-Blockaden-befreien-und-das-Leben-in-vollen-Z-gen-genie-en-by-Alex-Sonnfeld.pdf
    • http://cefasfese.4pu.com/1731738730730733731/Ketten-und-Sub-by-Charline-Francis.pdf
    • http://cefasfese.4pu.com/1731737739739737733/In-Ketten-by-Sara-Blake.pdf
    • http://cefasfese.4pu.com/1731738730730730730/Sunny-in-Ketten-by-Sadique.pdf
    • http://cefasfese.4pu.com/9739736735733734/Kathrin-in-Ketten-by-Dom-Mike-ZED.pdf
    • http://cefasfese.4pu.com/1731738730730732735/Jana-die-Maklerin-in-Ketten-by-Dom-Mike-ZED.pdf
    • http://cefasfese.4pu.com/1731737739739739736/Sadomasochismus-und-Ketten-by-Sophie-Rafael.pdf
    • http://cefasfese.4pu.com/1731738730730733732/Jule--in-Ketten---die-Hexenjagd-by-Dom-Mike-ZED.pdf
    • http://cefasfese.4pu.com/1731738730730737733/Das-Bootcamp-der-M-dchen-in-Ketten-by-Dom-Mike-ZED.pdf
    • http://cefasfese.4pu.com/1731738730730737735/M-dchen-in-Ketten-Der-entf-hrte-Gefangenentransport-by-Dom-Mike-ZED.pdf
    • http://cefasfese.4pu.com/1731737739739739735/Mord-im-Swingerclub-In-Ketten-by-Sascha-Harder.pdf
    • http://cefasfese.4pu.com/17307317377357397

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