Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ee771c63eba605a…

MALICIOUS

PDF

15.2 KB Created: 2019-05-03 06:00:07 +01:00 Authoring application: mPDF 5.7
MD5: 2181e2666a4043f06fb65cb60210f97b SHA-1: 1fc800728124bbff8edfdeea1f5a18bb0985e4a1 SHA-256: 1ee771c63eba605a2c2f35ba950b1d92f897d3467fefc41f759ed6dd417add23
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, pointing to external PDF files. While the specific URLs are marked as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO spam or to distribute further malicious content. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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.linkp
    • http://loaminoo.linkpc.net/3090091099096093/Bone-Crossed-Mercy-Thompson-4-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/7091090095091/Preying-For-Mercy-Mercy-Thompson-1-3-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/2091093090099098/O-Diabo-do-Rio-Mercy-Thompson-6-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/4098095092093097/Moon-Called-Mercy-Thompson-1-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/1090091099097/Night-Broken-Mercy-Thompson-8-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/8098098092092/Frost-Burned-Mercy-Thompson-7-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/4094095099095092/Moon-Called-Mercy-Thompson-1-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/2090095096099096/Storm-Cursed-Mercy-Thompson-11-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/5091099091/Silence-Fallen-Mercy-Thompson-10-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/3098093098090/Moon-Called-Mercy-Thompson-1-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/1099096090091099/Blood-Bound-Mercy-Thompson-2-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/2097099095/Fire-Touched-Mercy-Thompson-9-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/5096093096091091/Mercy-Thompson-Homecoming-Graphic-Novel-Issue-2-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/5096093096092093/Mercy-Thompson-Homecoming-Graphic-Novel-Issue-3-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/4091098096094095/Shifting-Shadows-Stories-from-the-World-of-Mercy-Thompson-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/2094095093099093/Patricia-Briggs-Mercy-Thompson-Moon-Called-Volume-1-by-David-Lawrence.pdf
    • http://loaminoo.linkpc.net/3095090097090092/Silver-Borne-Mercedes-Thompson-5-by-Patricia-Briggs.pdf
    • http://loaminoo.linkpc.net/3095099094095090/Star-Crossed-Rascals-by-Patricia-Puddle.pdf
    • http://loaminoo.linkpc.net/4098092090097/Kingdom-of-Fear-Loathsome-Secrets-of-a-Star-Crossed-Child-in-the-Final-Days-of-the-American-Century-by-Hunter-S-Thompson.pdf
    • http://loaminoo.linkpc.net/1099096093093095/Shifter-s-Wolf-by-Patricia-Briggs.pdf

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