Malicious PDF — malware analysis report

Static analysis result for SHA-256 709f7cd373011067…

MALICIOUS

PDF

20.2 KB Created: 2020-03-14 00:20:23 +00:00 Authoring application: mPDF 5.7
MD5: 5b622c538d55d5d72e87087298c2993c SHA-1: e0e4f45eb77737687ceccd875063168fd6a346f9 SHA-256: 709f7cd373011067c89316085bded8d8791be373474b54fd40b9887503b7c132
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a single suspicious domain, identified as a link farm. This technique is often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, but the presence of numerous external links suggests an attempt to redirect the user to potentially harmful content.

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://rtuninnsi.myhome.cx/16a16a16a96a46a56a5/Friedrich-Von-Hagedorn-Poetische-Werke-Vol-1-of-5-Mit-Seiner-Lebensbeschreibung-Und-Charakteristik-Und-Mit-Ausz-gen-Seines-Briefwechsels-Lehrgedichte-Und-Epigramme-by-Friedrich-von-Hagedorn.pdf
    • http://rtuninnsi.myhome.cx/16a16a26a26a06a86a2/Friedrich-Von-Hagedorn-Konstellationen-Der-Aufklr-ung-by-Steffen-Martus.pdf
    • http://rtuninnsi.myhome.cx/16a86a86a76a26a4/The-Invisible-Soldiers-How-America-Outsourced-Our-Security-by-Ann-Hagedorn.pdf
    • http://rtuninnsi.myhome.cx/16a66a26a56a8/The-Roosevelt-Family-of-Sagamore-Hill-by-Hermann-Hagedorn.pdf
    • http://rtuninnsi.myhome.cx/56a16a66a46a8/Savage-Peace-Hope-and-Fear-in-America-1919-by-Ann-Hagedorn.pdf
    • http://rtuninnsi.myhome.cx/56a56a66a66a96a4/The-Heart-of-the-Rougarou-The-Secret-of-Wolf-River-1-by-Jessica-Musso-Jessica-Lupo-.pdf
    • http://rtuninnsi.myhome.cx/46a16a36a46a26a6/Lessons-from-Jessica-Ultimate-Caregiving-Growing-Up-with-Jessica-2-by-James-Walker.pdf
    • http://rtuninnsi.myhome.cx/46a86a76a96a7/The-Wedding-of-Antanasia-Jessica-Packwood-and-Lucius-Valeriu-Vladescu-Jessica-1-5-by-Beth-Fantaskey.pdf
    • http://rtuninnsi.myhome.cx/46a56a06a86a7/Jessica-Rules-the-Dark-Side-Jessica-2-by-Beth-Fantaskey.pdf
    • http://rtuninnsi.myhome.cx/56a16a16a56a46a2/Hawk-Mother-The-Story-of-a-Red-Tailed-Hawk-Who-Hatched-Chickens-by-Kara-Hagedorn.pdf
    • http://rtuninnsi.myhome.cx/16a06a46a26a16a36a5/Griechische-Papyri-NR-45---154-Griechische-Urkundenpapyri-by-Ursula-Hagedorn.pdf
    • http://rtuninnsi.myhome.cx/16a16a36a76a16a26a5/Liebe-ist-auch-Verzeihen-Jessica-Stein-Reihe-by-Jessica-Stein.pdf
    • http://rtuninnsi.myhome.cx/16a16a86a16a06a9/Nobody-Has-To-Know-by-Jessica-Ross.pdf
    • http://rtuninnsi.myhome.cx/56a16a86a16a9/Because-of-Him-Fortunate-1-by-Jessica-Roe.pdf
    • http://rtuninnsi.myhome.cx/16a16a06a26a46a76a4/Something-in-the-Way-Something-in-the-Way-1-by-Jessica-Hawkins.pdf
    • http://rtuninnsi.myhome.cx/36a76a36a66a56a7/All-She-Wants-4-Christmas-by-Jessica-Lee.pdf
    • http://rtuninnsi.myhome.cx/46a26a46a86a66a1/Eden-by-Jessica-Lee.pdf
    • http://rtuninnsi.myhome.cx/36a36a56a96a46a9/Everything-Under-the-Sun-by-Jessica-Redmerski.pdf
    • http://rtuninnsi.myhome.cx/36a16a46a46a96a3/If-Only-We-by-Jessica-Sankiewicz.pdf
    • http://rtuninnsi.myhome.cx/16a56a76a76a76a1/If-She-Did-It-by-Jessica-Treadway.pdf

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