Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc9aa47c09251004…

MALICIOUS

PDF

14.6 KB Created: 2019-04-30 05:06:32 +01:00 Authoring application: mPDF 5.7
MD5: ded293d8720b7de40ae2cb6ae795870b SHA-1: ec0d0739e5668f9c536b9c9dc8738ede7b5b0a71 SHA-256: dc9aa47c09251004372d4930b9e95835e910859651ffb28974a0934ee812a745
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to book titles on the domain loaminoo.linkpc.net. While the individual book links are marked as benign, the sheer volume and the nature of the domain suggest a link-farming or redirection scheme, potentially leading to malicious content or phishing pages. The ML_NYX_PDF_MALICIOUS classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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/3097099092093094/Trust-In-Darkness-The-Vampire-Diaries-In-Time-We-Trust-1-by-Michelle-Hazen.pdf
    • http://loaminoo.linkpc.net/4092098090092/Trust-Trilogy-Trust-Trilogy-1-3-Trust-series-1-8-by-Cristiane-Serruya.pdf
    • http://loaminoo.linkpc.net/1093095093099098/Tragedy-amp-Trust-Can-You-Still-Trust-God-After-Losing-a-Child-by-Thom-Vines.pdf
    • http://loaminoo.linkpc.net/6094096093096/Trust-A-New-Beginning-Trust-Trilogy-1-by-Cristiane-Serruya.pdf
    • http://loaminoo.linkpc.net/3092099090094099/Trust-Me-I-m-Lying-Trust-Me-1-by-Mary-Elizabeth-Summer.pdf
    • http://loaminoo.linkpc.net/1099098098/Trust-Me-I-m-Trouble-Trust-Me-2-by-Mary-Elizabeth-Summer.pdf
    • http://loaminoo.linkpc.net/9090093092097095/The-Vampire-Diaries---Stefan-s-Diaries---Rache-ist-nicht-The-Vampire-Diaries-3-by-L-J-Smith.pdf
    • http://loaminoo.linkpc.net/3097099092094093/Becoming-Katelyn-by-Michelle-Hazen.pdf
    • http://loaminoo.linkpc.net/3097099092094091/Happily-Ever-After-Salvatore-Style-by-Michelle-Hazen.pdf
    • http://loaminoo.linkpc.net/3095095099090093/Fill-Me-Sex-Love-and-Rock-amp-Roll-0-5-by-Michelle-Hazen.pdf
    • http://loaminoo.linkpc.net/3095094096099096/Insatiable-Sex-Love-and-Rock-amp-Roll-3-by-Michelle-Hazen.pdf
    • http://loaminoo.linkpc.net/3095094097092092/A-Cruel-Kind-of-Beautiful-Sex-Love-and-Rock-amp-Roll-1-by-Michelle-Hazen.pdf
    • http://loaminoo.linkpc.net/7098096097095094/In-God-we-trust-by-Winshluss.pdf
    • http://loaminoo.linkpc.net/2096094092090097/Trust-Me-by-B-G-Thomas.pdf
    • http://loaminoo.linkpc.net/4096090091096090/All-About-Trust-by-D-P-Denman.pdf
    • http://loaminoo.linkpc.net/4097092093097/The-Asylum-The-Vampire-Diaries-Stefan-s-Diaries-5-by-L-J-Smith.pdf
    • http://loaminoo.linkpc.net/3098096093095/The-Craving-The-Vampire-Diaries-Stefan-s-Diaries-3-by-L-J-Smith.pdf
    • http://loaminoo.linkpc.net/3096095091090/Bloodlust-The-Vampire-Diaries-Stefan-s-Diaries-2-by-L-J-Smith.pdf
    • http://loaminoo.linkpc.net/7094094097091/Trust-in-Me-Wait-for-You-1-5-by-J-Lynn.pdf
    • http://loaminoo.linkpc.net/6095098093096/Trust-No-One-by-Laurel-Bradley.pdf
    • http://loaminoo.linkpc.net/3095095099090093/Fill-Me-Sex-Love-and-R

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