Malicious PDF — malware analysis report

Static analysis result for SHA-256 5109e0345da9a645…

MALICIOUS

PDF

14.6 KB Created: 2019-05-01 18:03:58 +01:00 Authoring application: mPDF 5.7
MD5: cf09beece848616481939696d08743de SHA-1: 24c606da71361b33a403a314a5aa84ca4e75671c SHA-256: 5109e0345da9a645c8d93d8bebb3fedd36fa4a057cb4b033b04a5d7a59c7448f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File: User Execution

The PDF contains a large number of embedded links pointing to external resources, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. While the specific intent of the links is unclear due to benign reputation labels, the sheer volume and the heuristic firing suggest a malicious purpose.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/1098099096091091/Blood-Life-Seeker-Kindred-2-by-Nicola-Claire.pdf
    • http://loaminoo.linkpc.net/1092098099096099/Kindred-Kindred-1-by-Nicola-Claire.pdf
    • http://loaminoo.linkpc.net/1098091098092095/Kindred-Kindred-1-by-Nicola-Claire.pdf
    • http://loaminoo.linkpc.net/2090097099093091/The-View-From-Here-Kindred-4-5-by-Nicola-Claire.pdf
    • http://loaminoo.linkpc.net/1098099096091094/Shadow-s-Light-Kindred-6-by-Nicola-Claire.pdf
    • http://loaminoo.linkpc.net/1098099096090096/Forbidden-Drink-Kindred-3-by-Nicola-Claire.pdf
    • http://loaminoo.linkpc.net/2099099099091090/Love-Before-Dawn-Kindred-1-by-Claire-Cullen.pdf
    • http://loaminoo.linkpc.net/7092092098098094/Bound-By-Blood-A-Novel-of-The-Somad-rsath-The-Seven-Wars-2-by-E-H-Kindred.pdf
    • http://loaminoo.linkpc.net/4092097096091090/The-Tempting-Touch-Of-Fire-Elemental-Awakening-1-by-Nicola-Claire.pdf
    • http://loaminoo.linkpc.net/4096098092096091/The-Soothing-Scent-Of-Earth-Elemental-Awakening-2-by-Nicola-Claire.pdf
    • http://loaminoo.linkpc.net/2099097090095094/Kindred-of-the-Fallen-Kindred-Chronicles-1-by-Iris-i.pdf
    • http://loaminoo.linkpc.net/4092092092095094/Seeker-s-Call-Seeker-s-Trilogy-1-by-Cassandra-Boyson.pdf
    • http://loaminoo.linkpc.net/1090097095098099/Dark-Seeker-Seeker-1-by-Taryn-Browning.pdf
    • http://loaminoo.linkpc.net/4097093099/Crown-of-Blood-The-Deadly-Inheritance-of-Lady-Jane-Grey-by-Nicola-Tallis.pdf
    • http://loaminoo.linkpc.net/2095091099099091/Crown-of-Blood-The-Deadly-Inheritance-of-Lady-Jane-Grey-by-Nicola-Tallis.pdf
    • http://loaminoo.linkpc.net/4098098094093099/The-Seeker-Damian-Seeker-1-by-S-G-MacLean.pdf
    • http://loaminoo.linkpc.net/5092094098097/Avery-and-Me-Intuitive-Healer-Skeptical-Seeker-and-a-Life-Transformed-by-Margaret-Simeone.pdf
    • http://loaminoo.linkpc.net/1091095090092090098/Spells-of-Blood-and-Kin-by-Claire-Humphrey.pdf
    • http://loaminoo.linkpc.net/1099090099090/And-Now-We-Are-Going-to-Have-a-Party-Liner-Notes-to-a-Writer-s-Early-Life-by-Nicola-Griffith.pdf
    • http://loaminoo.linkpc.net/1098094098097093/Sweet-Seduction-Shadow-Sweet-Seduction-3-by-Nicola-Claire.pdf
    • http://loaminoo.linkpc.net/10900970950

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