Malicious PDF — malware analysis report

Static analysis result for SHA-256 db89f4fd3710b3d2…

MALICIOUS

PDF

14.5 KB Created: 2019-04-30 04:01:45 +01:00 Authoring application: mPDF 5.7
MD5: 5bed4dce7eaa9ecc213dc75e3f3bc684 SHA-1: f2f13c7ebe62ba79160f33ccb8c6021c7b217d38 SHA-256: db89f4fd3710b3d2b44a4124ebdc9f5a7936caaa073f943b03ee33bca22bb130
60 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a link farm, indicating a large number of embedded URLs. These URLs point to external PDF files, suggesting an attempt to manipulate search engine results or distribute content. No scripts were extracted, and the document body was heavily corrupted, limiting further analysis of the specific intent beyond link distribution.

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/1092093095090094/Desert-Heat-Heat-Series-by-Leigh-Wyndfield.pdf
    • http://loaminoo.linkpc.net/4097095093097099/Desert-Heat-Desert-Heat-1-by-Lucy-Felthouse.pdf
    • http://loaminoo.linkpc.net/9098098098090091/Desert-Heat-The-Callahans-5-by-Jennifer-Hayden.pdf
    • http://loaminoo.linkpc.net/3091096093096096/The-Blue-Dolphin-Desert-Heat-2-by-Robena-Grant.pdf
    • http://loaminoo.linkpc.net/4091092097096095/Wanton-Heat-Feel-the-Heat-2-by-Nicola-Marsh.pdf
    • http://loaminoo.linkpc.net/4092095093099/Heat-Wave-Nikki-Heat-1-by-Richard-Castle.pdf
    • http://loaminoo.linkpc.net/3090093097091094/Naked-Heat-Nikki-Heat-2-by-Richard-Castle.pdf
    • http://loaminoo.linkpc.net/8096097092097/Slow-Heat-Pacific-Heat-2-by-Jill-Shalvis.pdf
    • http://loaminoo.linkpc.net/1096099097099094/Heat-Seeker-Elite-Ops-3-by-Lora-Leigh.pdf
    • http://loaminoo.linkpc.net/3093094094095095/Lion-s-Heat-Breeds-15-by-Lora-Leigh.pdf
    • http://loaminoo.linkpc.net/4092093098090098/Kiss-of-Heat-Breeds-4-by-Lora-Leigh.pdf
    • http://loaminoo.linkpc.net/4098092096097098/Can-t-Take-The-Heat-Brooklyn-Heat-1-by-Locklyn-Marx.pdf
    • http://loaminoo.linkpc.net/2095093091099098/Can-t-Take-The-Heat-Brooklyn-Heat-1-by-Locklyn-Marx.pdf
    • http://loaminoo.linkpc.net/2097098096098097/In-Heat-In-Heat-1-by-Felicity-Heaton.pdf
    • http://loaminoo.linkpc.net/1094095099097095/Two-For-The-Money-by-Leigh-Wyndfield.pdf
    • http://loaminoo.linkpc.net/3098097096093092/Edge-of-the-Heat-9-Edge-of-the-Heat-9-by-Lisa-Ladew.pdf
    • http://loaminoo.linkpc.net/2090098091094090/Dragon-Heat-Dragon-Heat-1-by-Ella-J-Phoenix.pdf
    • http://loaminoo.linkpc.net/1098098094097093/The-Jewel-Series-Bundle-2-Emerald-Fire-amp-Topaz-Heat-The-Jewel-Trilogy-2-3-by-Hallee-Bridgeman.pdf
    • http://loaminoo.linkpc.net/8090094092098092/Death-In-The-Desert-The-High-Desert-Series-Book-1-by-Francine-Fochler-Biere.pdf
    • http://loaminoo.linkpc.net/4092092097097/In-the-Heat-by-Ian-Vasquez.pdf
    • http://loaminoo.linkpc.net/2097098096098097/In-Heat-In-Heat-1-by-Felicity-Heat

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