Malicious PDF — malware analysis report

Static analysis result for SHA-256 a970cd301393ce2a…

MALICIOUS

PDF

15.0 KB Created: 2019-05-01 19:18:36 +01:00 Authoring application: mPDF 5.7
MD5: d6443fc8f3e31f1fec43a81eb92cce6b SHA-1: 2dda917700810ac44d5e5f1cade17e3aafc664fc SHA-256: a970cd301393ce2ae57c80406c0b45a94e346bd12130e5f84a508209627454e8
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is unreadable, the presence of 32 links hosted on 'loaminoo.linkpc.net' suggests a link farm or distribution mechanism. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern involves tricking users into clicking these links, which could lead to malicious websites or further downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/3099090095093090/Stealing-Terry-by-Addison-Lane.pdf
    • http://loaminoo.linkpc.net/3099091092096092/The-Drowning-The-Drowning-1-by-Rachel-Ward.pdf
    • http://loaminoo.linkpc.net/1096097090098092/Hagar-of-the-Pawnshop-by-Fergus-Hume.pdf
    • http://loaminoo.linkpc.net/5090093090093099/The-Secret-Passage-by-Fergus-Hume.pdf
    • http://loaminoo.linkpc.net/1090099097092092091/The-Chronicles-of-Fairyland-by-Fergus-Hume.pdf
    • http://loaminoo.linkpc.net/4095097097094096/Leigh-Bowery-Looks-by-Fergus-Greer.pdf
    • http://loaminoo.linkpc.net/2099091091094/Fergus-and-the-Greener-Grass-by-Jean-Abernethy.pdf
    • http://loaminoo.linkpc.net/2098091090096099/The-Redneck-Bride-by-John-Fergus-Ryan.pdf
    • http://loaminoo.linkpc.net/3098095091097096/The-Irish-Wildlife-Book-by-Fergus-O-39-Gorman.pdf
    • http://loaminoo.linkpc.net/5090094095090098/Tomorrow-s-Kingdom-The-Gypsy-King-3-by-Maureen-Fergus.pdf
    • http://loaminoo.linkpc.net/4096092094096098/The-Vengeance-of-Mothers-One-Thousand-White-Women-2-by-Jim-Fergus.pdf
    • http://loaminoo.linkpc.net/2090095093099092/One-Thousand-White-Women-The-Journals-of-May-Dodd-by-Jim-Fergus.pdf
    • http://loaminoo.linkpc.net/2098097091093092/Exploits-of-a-Reluctant-But-Extremely-Goodlooking-Hero-by-Maureen-Fergus.pdf
    • http://loaminoo.linkpc.net/1091099093090098094/Fergus-of-Galloway-Knight-of-King-Arthur-by-Guillaume-le-Clerc.pdf
    • http://loaminoo.linkpc.net/3094090092095093/Shah-Jahan-The-Rise-and-Fall-of-the-Mughal-Emperor-by-Fergus-Nicoll.pdf
    • http://loaminoo.linkpc.net/2091090098094099/The-Vengeance-of-Mothers-The-Journals-of-Margaret-Kelly-amp-Molly-McGill-A-Novel-by-Jim-Fergus.pdf
    • http://loaminoo.linkpc.net/9097098099091092/The-Golden-Genius-The-Amazing-Life-of-Maria-Altmann-by-Fergus-Mason.pdf
    • http://loaminoo.linkpc.net/2096097098090094/London-The-Wicked-City-A-Thousand-Years-of-Prostitution-and-Vice-by-Fergus-Linnane.pdf
    • http://loaminoo.linkpc.net/1099093095093092/Saving-Fish-from-Drowning-by-Amy-Tan.pdf
    • http://loaminoo.linkpc.net/2096094090095090/Saving-Fish-from-Drowning-by-Amy-Tan.pdf

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