Malicious PDF — malware analysis report

Static analysis result for SHA-256 882f11c8e9bbf085…

MALICIOUS

PDF

18.8 KB Created: 2019-04-30 10:34:47 +01:00 Authoring application: mPDF 5.7
MD5: 3374a099e2fc7a33799e24d77835574a SHA-1: 7df10304eadcbb86fa3aba4b5cb7d4b549001070 SHA-256: 882f11c8e9bbf085655775a3473ad25198e15afb16466c62d1690f12be423ae8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, masquerading as book downloads. This technique is often used to drive traffic to malicious sites or to host further malicious content. The ML classifier strongly indicated maliciousness, and the PDF structure suggests a link farm designed for SEO manipulation or user redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/4098095091096091/The-Charlie-Cameron-Series-A-Three-Book-Boxset-by-Owen-Mullen.pdf
    • http://loaminoo.linkpc.net/2093093090096091/Journey-from-Obscurity-Wilfred-Owen-1893-1918-Memoirs-of-the-Owen-Family-1-Childhood-by-Harold-Owen.pdf
    • http://loaminoo.linkpc.net/3096093096094093/His-Executive-Sweetheart-Bravo-Family-10-The-Sons-Of-Caitlin-Bravo-1-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098099090094/Scrooge-and-the-Single-Girl-Bravo-Family-12-The-Sons-of-Caitlin-Bravo-3-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098097099095/Having-Tanner-Bravo-s-Baby-Bravo-Family-22-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098097099092/Marriage-Bravo-Style-Bravo-Family-31-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098097098096/The-Bravo-Billionaire-Bravo-Family-8-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/6098098099093092/Valentine-s-Secret-Child-Bravo-Family-21-Bravo-Family-Ties-Miniseries-8-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/1092090094097/Married-In-Haste-Bravo-Family-18-Bravo-Family-Ties-Miniseries-5-by-Christine-Rimmer.pdf
    • http://loaminoo.linkpc.net/4095092094096094/Charlie-and-the-Great-Glass-Elevator-Charlie-Bucket-2-by-Roald-Dahl.pdf
    • http://loaminoo.linkpc.net/1098094092093091/Charlie-and-the-Great-Glass-Elevator-Charlie-Bucket-2-by-Roald-Dahl.pdf
    • http://loaminoo.linkpc.net/7097096097096095/Obituary-of-Charlie-Whitehorse-The-Return-of-Charlie-as-a-Cardinalis-Equidae-by-MR-Glenn-Andrew-Dykstra.pdf
    • http://loaminoo.linkpc.net/7092096092091096/Je-suis-Charlie-Chronologie-de-l-attaque-terroriste-contre-Charlie-Hebdo-by-Josh-Seyward.pdf
    • http://loaminoo.linkpc.net/2095099096095092/The-Story-of-Owen-Dragon-Slayer-of-Trondheim-The-Story-of-Owen-1-by-E-K-Johnston.pdf
    • http://loaminoo.linkpc.net/1090097096091099090/Here-Comes-Charlie-M-Charlie-Muffin-2-by-Brian-Freemantle.pdf
    • http://loaminoo.linkpc.net/1090097092094093095/Jubilee-Manifesto-by-Michael-Schluter.pdf
    • http://loaminoo.linkpc.net/9090097099096/East-End-Jubilee-by-Carol-Rivers.pdf
    • http://loaminoo.linkpc.net/3091095094096097/Song-of-Jubilee-by-James-D-Forman.pdf
    • http://loaminoo.linkpc.net/1093097092094097/Bring-the-Jubilee-by-Ward-Moore.pdf
    • http://loaminoo.linkpc.net/4093090097093092/Last-Train-to-Jubilee-Bay-by-Kali-Wallace.pdf