Malicious PDF — malware analysis report

Static analysis result for SHA-256 55e2d92d8df82ee3…

MALICIOUS

PDF

18.6 KB Created: 2019-05-05 16:39:54 +01:00 Authoring application: mPDF 5.7
MD5: 55314e19c4fee50729a529e0b43dbc1d SHA-1: 60b2e99c3af63d2f0e0b08781d1577f8f801de86 SHA-256: 55e2d92d8df82ee33884141a261229103b97e6910ccb52bfdcb6e8bde3a0d9ab
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a link farm, indicating a large number of embedded external URLs. While many of these URLs are marked as benign, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to distribute further malicious content. No scripts were extracted from this sample, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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.link
    • http://loaminoo.linkpc.net/2090094099096092/No-Kidding-Mermaids-Are-a-Joke-The-Story-of-the-Little-Mermaid-as-Told-by-the-Prince-by-Nancy-Loewen.pdf
    • http://loaminoo.linkpc.net/8095091097/Lies-My-Teacher-Told-Me-by-James-W-Loewen.pdf
    • http://loaminoo.linkpc.net/2095095095094099/Lies-My-Teacher-Told-Me-Everything-Your-American-History-Textbook-Got-Wrong-by-James-W-Loewen.pdf
    • http://loaminoo.linkpc.net/4093097094098094/Lies-My-Teacher-Told-Me-Everything-Your-American-History-Textbook-Got-Wrong-by-James-W-Loewen.pdf
    • http://loaminoo.linkpc.net/5095095098095098/Mermaids-on-Mars-by-Nancy-Guettier.pdf
    • http://loaminoo.linkpc.net/1095090094098092/The-Greatest-Story-Ever-Told-A-Love-Story-Greatest-Story-Ever-Told-1-by-Rebe-James.pdf
    • http://loaminoo.linkpc.net/2092095095095097/Salva-Me-The-Untold-Story-of-Mermaids-by-Joanna-Beatty.pdf
    • http://loaminoo.linkpc.net/5095091093093096/Real-Mermaids-Don-t-Sell-Seashells-Real-Mermaids-4-by-Helene-Boudreau.pdf
    • http://loaminoo.linkpc.net/3090092099094097/The-Mermaid-Girl-A-Story-by-Erika-Swyler.pdf
    • http://loaminoo.linkpc.net/3098094091093091/The-Mermaid-Girl-A-Story-by-Erika-Swyler.pdf
    • http://loaminoo.linkpc.net/2090094099090097/The-Little-Mermaid-Ursula-My-Side-of-the-Story-3-by-Daphne-Skinner.pdf
    • http://loaminoo.linkpc.net/2092098092090096/Are-You-Kidding-Me-The-Story-of-Rocco-Mediate-s-Extraordinary-Battle-with-Tiger-Woods-at-the-US-Open-by-Rocco-Mediate.pdf
    • http://loaminoo.linkpc.net/4092092093094096/The-Most-Frightening-Story-Ever-Told-by-Philip-Kerr.pdf
    • http://loaminoo.linkpc.net/3092093094094096/The-Second-Greatest-Story-Ever-Told-by-Gorman-Bechard.pdf
    • http://loaminoo.linkpc.net/1095090098095091/The-Greatest-Story-Ever-Told-by-Fulton-Oursler.pdf
    • http://loaminoo.linkpc.net/1090093097091098092/The-Mermaid-Catches-Her-Mate-A-Nocturne-Falls-Universe-story-by-Jax-Cassidy.pdf
    • http://loaminoo.linkpc.net/2096093092092094/Warrior-Prince-The-Drift-Lords-1-by-Nancy-J-Cohen.pdf
    • http://loaminoo.linkpc.net/1090097093091096098/Dracula-The-Most-Famous-Horror-Story-Ever-Told-by-Bram-Stoker.pdf
    • http://loaminoo.linkpc.net/4093096091096095/A-Mango-in-the-Hand-A-Story-Told-Through-Proverbs-by-Antonio-Sacre.pdf
    • http://loaminoo.linkpc.net/1098099099093093/A-Rooster-Once-Crowed-A-Commentary-on-the-Greatest-Story-Ever-Told-by-Bryant-Cornett.pdf