Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7581e63528d0341…

MALICIOUS

PDF

12.5 KB Created: 2019-04-30 17:29:08 +01:00 Authoring application: mPDF 5.7
MD5: 67670640e4a15874a1e241b19bcdd6d9 SHA-1: de9a802f2839a58185024da646470869521af970 SHA-256: a7581e63528d0341acfee19995088e91d003297c16dac57d4beb83ced701bac1
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs all point to the same domain, loaminoo.linkpc.net, and appear to be designed to manipulate search engine results or direct users to potentially malicious content. The document body contains these URLs along with metadata, suggesting a deliberate attempt to create a link farm within the PDF. No scripts were extracted from this sample.

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/2091098097092099/Valentine-by-S-P-Somtow.pdf
    • http://loaminoo.linkpc.net/2097090091098094/Vampire-Junction-by-S-P-Somtow.pdf
    • http://loaminoo.linkpc.net/1098092098098097/Jasmine-Nights-by-S-P-Somtow.pdf
    • http://loaminoo.linkpc.net/3094098092098095/A-Town-Called-Valentine-Valentine-Valley-1-by-Emma-Cane.pdf
    • http://loaminoo.linkpc.net/2092095092091093/Sleigh-Bells-in-Valentine-Valley-Valentine-Valley-5-by-Emma-Cane.pdf
    • http://loaminoo.linkpc.net/3095091099093091/The-Valentine-by-Elizabeth-A-Lance.pdf
    • http://loaminoo.linkpc.net/4090096095096099/Valentine-by-Rebecca-Farnworth.pdf
    • http://loaminoo.linkpc.net/4090095091094094/Midnight-Valentine-by-J-T-Geissinger.pdf
    • http://loaminoo.linkpc.net/7093098098099092/My-St-Valentine-s-Day-by-Lauren-Oliver.pdf
    • http://loaminoo.linkpc.net/1092095097099091/All-Fired-Up-by-Carmine-Valentine.pdf
    • http://loaminoo.linkpc.net/1099092096099094/Outside-Valentine-by-Liza-Ward.pdf
    • http://loaminoo.linkpc.net/9093098096095094/Bei-Landung-Liebe-by-Kim-Valentine.pdf
    • http://loaminoo.linkpc.net/5099092098090098/Knocked-Up-on-Valentine-s-Day-by-Amy-Brent.pdf
    • http://loaminoo.linkpc.net/2098096095095090/Christmas-Hookup-by-Lex-Valentine.pdf
    • http://loaminoo.linkpc.net/6093092099094099/Ayesha-by-Valentine-Renehan.pdf
    • http://loaminoo.linkpc.net/3092090096090/The-Ant-Colony-by-Jenny-Valentine.pdf
    • http://loaminoo.linkpc.net/3097092090098098/The-Celia-Collection-by-M-S-Valentine.pdf
    • http://loaminoo.linkpc.net/4099092097092096/The-Valentine-s-Fae-by-Emma-Shortt.pdf
    • http://loaminoo.linkpc.net/1093092092095093/Very-Valentine-by-Adriana-Trigiani.pdf
    • http://loaminoo.linkpc.net/4097092095091095/Each-Angel-Burns-A-Novel-by-Kathleen-Valentine.pdf
    • http://loaminoo.linkpc.net/2098096095095090/Christmas-Hookup-by-Lex

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