Malicious PDF — malware analysis report

Static analysis result for SHA-256 9982975dd860ef87…

MALICIOUS

PDF

11.6 KB Created: 2019-05-07 09:25:30 +01:00 Authoring application: mPDF 5.7
MD5: 5e44c37322118023262a46c4fe49bbe5 SHA-1: 769be8d68a8223fc14ed744498af024f49865123 SHA-256: 9982975dd860ef875afb154a67254f02a99e7d108ace76e9b303e5c67d31156f
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves are marked as benign, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to distribute malware. No scripts were extracted from this sample. The attack pattern is inferred from the heuristic firing and the presence of embedded URLs.

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/4091096091091098/The-Next-Sky-by-Pakhi-Dixit.pdf
    • http://loaminoo.linkpc.net/6093092092099/Abby-Spencer-Goes-to-Bollywood-by-Varsha-Bajaj.pdf
    • http://loaminoo.linkpc.net/8097095098093/Games-of-Strategy-by-Avinash-K-Dixit.pdf
    • http://loaminoo.linkpc.net/4093092093092092/Baggage-by-S-G-Redling.pdf
    • http://loaminoo.linkpc.net/1099091092095091/Baggage-by-Emily-Barr.pdf
    • http://loaminoo.linkpc.net/8097091099092/Thinking-Strategically-The-Competitive-Edge-in-Business-Politics-and-Everyday-Life-by-Avinash-K-Dixit.pdf
    • http://loaminoo.linkpc.net/6097090091096096/VARSHA-SON-COMBAT-Dans-une-Inde-aux-pluies-d-espoir-by-Par-LUCIE-FRIEDRICH-Prix-Coup-de-Coeur-du-Grand-Bivouac-2014.pdf
    • http://loaminoo.linkpc.net/7098095090099099/The-Alphabet-Sisters-Family-Baggage-by-Monica-McInerney.pdf
    • http://loaminoo.linkpc.net/2092096091099094/No-Baggage-A-Tale-of-Love-and-Wandering-by-Clara-Bensen.pdf
    • http://loaminoo.linkpc.net/8094098099099098/Dating-the-Divorced-Man-Sort-Through-the-Baggage-to-Decide-If-He-s-Right-for-You-by-Christie-Hartman.pdf
    • http://loaminoo.linkpc.net/3098098094098095/Unclaimed-Baggage-Voices-of-the-Main-Line-Writers-Group-by-Joan-Hill.pdf
    • http://loaminoo.linkpc.net/3097094092091090/Baggage-by-Robin-Etherington-by-Robin-Etherington.pdf
    • http://loaminoo.linkpc.net/2092096091099094/No-Baggage-A-Tale-of-

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