Malicious PDF — malware analysis report

Static analysis result for SHA-256 08f448f3d095e49a…

MALICIOUS

PDF

18.5 KB Created: 2019-05-02 21:08:38 +01:00 Authoring application: mPDF 5.7
MD5: 0660db23937998d7ba5165b499eab4f2 SHA-1: 24b24fe92d45244a03334a9623d8eadb1f0ef7bd SHA-256: 08f448f3d095e49a968af1bb7933615b2117b99b41904780397659007cc278e2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the structure and embedded URLs suggest an attempt to redirect the user to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9754

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/4099094091095094/Holly-s-Heart-Collection-2-Second-Best-Friend-Good-Bye-Dressel-Hills-Straight-A-Teacher-No-Guys-Pact-Little-White-Lies-Holly-s-Heart-6-10-by-Beverly-Lewis.pdf
    • http://loaminoo.linkpc.net/2092092096092097/Heart-of-Gypsies-by-Holly-Hood.pdf
    • http://loaminoo.linkpc.net/6098099095098/Black-Heart-Curse-Workers-3-by-Holly-Black.pdf
    • http://loaminoo.linkpc.net/1090094099094098090/HOLLY-BLACK-SERIES-READING-ORDER-MAGISTERIUM-BOOKS-MODERN-TALE-OF-FAERIE-BOOKS-SPIDERWICK-CHRONICLES-BOOKS-BEYONG-SPIDERWICK-CHRONICLES-GOOD-NEIGHBORS-BOOKS-BY-HOLLY-BLACK-by-List-Series.pdf
    • http://loaminoo.linkpc.net/3097094097093092/Kind-The-Good-Neighbors-3-by-Holly-Black.pdf
    • http://loaminoo.linkpc.net/3098091090093095/White-as-Snow-by-Holly-Love.pdf
    • http://loaminoo.linkpc.net/2099095098099096/Holly-s-Inbox-by-Holly-Denham.pdf
    • http://loaminoo.linkpc.net/4091094097096094/Straight-Boy-Straight-Guys-0-5-by-Alessandra-Hazard.pdf
    • http://loaminoo.linkpc.net/2091096098094095/Summer-at-Rose-Island-White-Cliff-Bay-3-by-Holly-Martin.pdf
    • http://loaminoo.linkpc.net/4095092093093091/Beneath-White-Stars-Holocaust-Profiles-in-Poetry-by-Holly-Mandelkern.pdf
    • http://loaminoo.linkpc.net/1099097098093094/Holly-s-Inbox-Holly-s-Inbox-1-by-Holly-Denham.pdf
    • http://loaminoo.linkpc.net/4091094091094093/His-Frozen-Heart-Brewer-Brothers-1-by-Nancy-Straight.pdf
    • http://loaminoo.linkpc.net/5094096091/Where-Good-Girls-Go-To-Die-Good-Girls-1-by-Holly-Renee.pdf
    • http://loaminoo.linkpc.net/2095096095090095/Teacher-Plus-Two-In-the-Eyes-2-by-Valentina-Heart.pdf
    • http://loaminoo.linkpc.net/8097095091098094/Light-of-My-Heart-Silver-Hills-Trilogy-1-by-Ginny-Aiken.pdf
    • http://loaminoo.linkpc.net/7092097090094093/Words-to-Warm-a-Teacher-s-Heart-by-Joanie-Garborg.pdf
    • http://loaminoo.linkpc.net/3095094095097092/Where-Bad-Girls-Go-to-Fall-Good-Girls-2-by-Holly-Renee.pdf
    • http://loaminoo.linkpc.net/4094099095092092/Heart-Sisters-Be-the-Friend-You-Want-to-Have-by-Natalie-Chambers-Snapp.pdf
    • http://loaminoo.linkpc.net/1095093099097095/Heart-of-Lies-by-M-L-Malcolm.pdf
    • http://loaminoo.linkpc.net/4099099099094094/Just-a-Bit-Wrong-Straight-Guys-4-by-Alessandra-Hazard.pdf

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