Malicious PDF — malware analysis report

Static analysis result for SHA-256 507e618342eafb62…

MALICIOUS

PDF

16.0 KB Created: 2019-05-07 02:58:06 +01:00 Authoring application: mPDF 5.7
MD5: da4a362a13147fbb34dcc4fbf72adafc SHA-1: e1ce2041c0c56e21c3a733168def998278025ccc SHA-256: 507e618342eafb62460d7e2b8d2eac7bd6c5a5a02d22c46289fdce00d233dd19
90 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, forming a link farm. The heuristic PDF_SEO_LINK_FARM indicates that these links are likely intended to direct users to external content, potentially malicious. While the specific URLs extracted were classified as benign, the sheer volume and structure suggest a deceptive pattern. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/3093099094093097/Broken-Angels-Katie-Maguire-2-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/5094095091099097/The-Drowned-Katie-Maguire-7-5-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/3095097098098095/Red-Light-Katie-Maguire-3-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/5094095091095092/Taken-for-Dead-Katie-Maguire-4-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/3095099090098096/A-Terrible-Beauty-Katie-Maguire-1-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/5094095091099093/Dead-Girls-Dancing-Katie-Maguire-8-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/3090091091095097/Prey-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/4098097091090097/Buried-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/7097090099094094/The-Sphinx-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/4098095098090096/The-Devils-of-D-Day-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/2091095096099099/Burial-Manitou-3-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/3097096097098090/The-Devil-in-Gray-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/7095092094097/Picture-of-Evil-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/5090090097096/Flesh-And-Blood-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/5090091091092096/Death-Mask-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/4098093093093090/Night-Plague-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/2098093092098097/Figures-of-Fear-An-Anthology-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/2097091097094090/Angels-are-Real-Angels-Exist-Proof-that-Angels-are-to-help-us-Real-stories-of-Angels-encounters-Ordinary-people-saved-by-Angels-Guardian-Angels-and-Archangels-Angels-are-Real-Angels-Exist-2-by-Tessy-Rawlins.pdf
    • http://loaminoo.linkpc.net/5099099090092099/Scarlet-Widow-Beatrice-Scarlet-1-by-Graham-Masterton.pdf
    • http://loaminoo.linkpc.net/2090091094091/Broken-Angels-by-Anne-Hope.pdf
    • http://loaminoo.linkpc.net/5090090097096/Flesh-And-Blood-by

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