Malicious PDF — malware analysis report

Static analysis result for SHA-256 e395d8a51bd35f03…

MALICIOUS

PDF

20.5 KB Created: 2019-05-07 04:38:08 +01:00 Authoring application: mPDF 5.7
MD5: 4540b12584b9b2f8f7ee07436cec9e30 SHA-1: 59be0024c529dbd6ae4e2f5cee9423c50290b876 SHA-256: e395d8a51bd35f039c33ebe528e53dfff3667895375480a8a979c307959804f6
60 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files hosted on loaminoo.linkpc.net. This pattern is indicative of a link farm or a method to distribute malicious content under the guise of legitimate documents. While no scripts were extracted, the heuristic 'PDF_SEO_LINK_FARM' strongly suggests a malicious intent to manipulate search engine results or to serve as a distribution point for further malware. The URLs themselves, though labeled as confirmed benign in isolation, are part of a larger suspicious structure.

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/1093093094092090/Age-of-Iron-Iron-Age-1-by-Angus-Watson.pdf
    • http://loaminoo.linkpc.net/3097091097091094/Age-of-Iron-by-Angus-Watson.pdf
    • http://loaminoo.linkpc.net/9094099091091097/Iron-Fey-Series-Volume-1-The-Iron-King-Winter-s-Passage-The-Iron-Daughter-The-Iron-Queen-Summer-s-Crossing-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/8092092095092098/Iron-Rails-Iron-Men-and-the-Race-to-Link-the-Nation-The-Story-of-the-Transcontinental-Railroad-by-Martin-W-Sandler.pdf
    • http://loaminoo.linkpc.net/1097098098092095/Iron-amp-Wine-The-Iron-World-Series-1-by-Candace-Osmond.pdf
    • http://loaminoo.linkpc.net/6095095098092/The-Iron-Duke-Iron-Seas-1-by-Meljean-Brook.pdf
    • http://loaminoo.linkpc.net/9094099091091095/Iron-King-4-The-Iron-Fey-Manga-4-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/3092098093092/The-Iron-Daughter-The-Iron-Fey-2-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/4094092094097/Iron-s-Prophecy-The-Iron-Fey-4-5-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/3099098097090099/The-Iron-King-The-Iron-Fey-1-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/3090092096097099/An-Iron-Fey-Valentine-The-Iron-Fey-4-4-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/2099093096096097/The-Iron-King-The-Iron-Fey-1-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/2095098094093095/The-Iron-King-The-Iron-Fey-1-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/5095093091094092/Erection-and-Inspection-of-Iron-and-Steel-Constructions-Written-for-the-Use-of-Architects-Engineers-and-Builders-and-for-Civil-Service-Candidates-for-the-Position-of-Inspector-of-Iron-and-Steel-by-L-M-Bernfeld.pdf
    • http://loaminoo.linkpc.net/5097099093097/The-Cast-Iron-Cookbook-30-Delicious-Breakfast-Lunch-and-Dinner-Recipes-You-Can-Cook-in-Your-Cast-Iron-Skillet-The-Essential-Kitchen-Series-Book-16-by-Sarah-Sophia.pdf
    • http://loaminoo.linkpc.net/2091098094099094/Hounded-Hexed-Hammered---The-Iron-Druid-Chronicles-Bundle-The-Iron-Druid-Chronicles-1-3-by-Kevin-Hearne.pdf
    • http://loaminoo.linkpc.net/7093099095/Heart-of-Iron-Heart-of-Iron-1-by-Ashley-Poston.pdf
    • http://loaminoo.linkpc.net/2092090098094094/Behind-Iron-Lace-Iron-Lace-1-by-Mercy-Celeste.pdf
    • http://loaminoo.linkpc.net/1097095099097092/Age-Of-Iron-by-J-M-Coetzee.pdf
    • http://loaminoo.linkpc.net/4095096094096090/Hearts-of-Iron-by-Laura-Day.pdf
    • http://loaminoo.linkpc.net/3092098093092/The-Iron-Daughter

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