Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca730d7550ace065…

MALICIOUS

PDF

20.2 KB Created: 2019-05-02 07:31:08 +01:00 Authoring application: mPDF 5.7
MD5: cd96e7668067d526cda1c5ccf554f516 SHA-1: 5aa0717122a856c5923ca627ca457988075c98f6 SHA-256: ca730d7550ace065423c92a2676888455436a1fbf8f012ee1cfc5a5d1b2a2027
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded links, many of which point to the same domain 'loaminoo.linkpc.net'. This suggests a link farm or SEO manipulation tactic, which is often used to distribute malware or phish for credentials. The document body contains these links along with what appear to be metadata related to their creation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9904

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/5095097098092099/Manichaeism-in-Mesopotamia-and-the-Roman-East-by-Samuel-N-C-Lieu.pdf
    • http://loaminoo.linkpc.net/5095097098091090/Manichaeism-in-Central-Asia-and-China-by-Samuel-N-C-Lieu.pdf
    • http://loaminoo.linkpc.net/5095097098094096/Constantine-by-Samuel-N-C-Lieu.pdf
    • http://loaminoo.linkpc.net/7092093097094096/Du-Lieu-Des-Voyages-Roman-by-France-Ducasse.pdf
    • http://loaminoo.linkpc.net/5095097098090098/The-Roman-Eastern-Frontier-and-the-Persian-Wars-Ad-363-628-by-Greatrex-Lieu.pdf
    • http://loaminoo.linkpc.net/5095097098092094/Christian-Identity-in-the-Jewish-and-Graeco-Roman-World-by-Judith-M-Lieu.pdf
    • http://loaminoo.linkpc.net/5090092095095096/The-Grove-Centenary-Editions-of-Samuel-Beckett-Boxed-Set-Contains-Novels-I-and-II-of-Samuel-Beckett-The-Dramatic-Works-of-Samuel-Beckett-and-The-Poems-Short-Fiction-and-Critcism-of-Samuel-Beckett-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/4098096091094095/Regarding-Tiberius-An-Epic-Tragedy-of-Mass-Murder-Sworn-Vengeance-Forbidden-Love-Greek-Ambition-Persian-Honor-amp-Roman-Might-in-the-Ancient-Near-East-by-Bartholomew-Boge.pdf
    • http://loaminoo.linkpc.net/4096098091098095/Golden-Arches-East-McDonald-s-in-East-Asia-by-James-L-Watson.pdf
    • http://loaminoo.linkpc.net/8099094095098/Farewell-to-the-East-End-The-Last-Days-of-the-East-End-Midwives-by-Jennifer-Worth.pdf
    • http://loaminoo.linkpc.net/6090099094097096/The-Civilizations-of-the-East-Near-and-Middle-East-by-Ren-Grousset.pdf
    • http://loaminoo.linkpc.net/4090095097096090/Ancient-Egypt-Mesopotamia-Persia-by-Koutsoukis.pdf
    • http://loaminoo.linkpc.net/4098091096098/Murder-in-Mesopotamia-Hercule-Poirot-14-by-Agatha-Christie.pdf
    • http://loaminoo.linkpc.net/3091099096098095/Myths-from-Mesopotamia-Creation-the-Flood-Gilgamesh-and-Others-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/2097091098092093/Murder-in-Mesopotamia-Hercule-Poirot-14-by-Agatha-Christie.pdf
    • http://loaminoo.linkpc.net/9092093098097/Myths-from-Mesopotamia-Creation-the-Flood-Gilgamesh-and-Others-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/7096094098092099/Expositions-of-Holy-Scripture-Deuteronomy-Joshua-Judges-Ruth-and-First-Book-of-Samuel-Second-Samuel-First-Kings-and-Second-Kings-chapters-I-to-VII-by-Alexander-MacLaren.pdf
    • http://loaminoo.linkpc.net/2096098095094094/Maid-for-Me-Too-by-Kat-Lieu.pdf
    • http://loaminoo.linkpc.net/5095097097095091/The-Fat-Caveman-Dies-by-Kat-Lieu.pdf
    • http://loaminoo.linkpc.net/5095097098091094/Summer-in-Atlantis-by-Kat-Lieu.pdf
    • http://loaminoo.linkpc.net/4098096091094095/Regarding-Tiberius-An-Epic-Tragedy-of-Mass-Murder-Sworn-Vengeance-Forbidden-Love-Greek-Ambition-Pe

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