Malicious PDF — malware analysis report

Static analysis result for SHA-256 3631de662fee2b35…

MALICIOUS

PDF

16.7 KB Created: 2019-04-30 03:44:57 +01:00 Authoring application: mPDF 5.7
MD5: b45442f2b5700280159c1b6c3bdd8a5b SHA-1: 44a7ad20f3e36fb5a4137d22b15a055e243205aa SHA-256: 3631de662fee2b3570240859bbaf24f144c88ee53f0b6b21ac463598a28f184b
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, forming a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates that this is a technique to distribute malicious content by overwhelming search engines or tricking users into visiting numerous sites. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/2092099096096/Accidental-Cowgirl-Six-Cows-No-Horse-and-No-Clue-by-Mary-Lynn-Archibald.pdf
    • http://loaminoo.linkpc.net/7099098092090093/Les-Aventures-d-Archibald-Le-Grillon-The-Adventures-Of-Archibald-The-Cricket-by-Patrick-Huet.pdf
    • http://loaminoo.linkpc.net/9091097094096096/Wild-Mary-The-Life-Of-Mary-Wesley-by-Patrick-Marnham.pdf
    • http://loaminoo.linkpc.net/8091099096098095/Letters-of-Archibald-MacLeish-1907-to-1982-by-Archibald-MacLeish.pdf
    • http://loaminoo.linkpc.net/8091099096093093/Collected-Works-of-Archibald-Lampman-by-Archibald-Lampman.pdf
    • http://loaminoo.linkpc.net/4092095093099097/Wild-For-You-Swiftwater-2-by-Mary-Wehr.pdf
    • http://loaminoo.linkpc.net/2099091096090099/Fire-and-Ice-Wild-at-Heart-3-by-Mary-Connealy.pdf
    • http://loaminoo.linkpc.net/2099091097094092/Now-and-Forever-Wild-at-Heart-2-by-Mary-Connealy.pdf
    • http://loaminoo.linkpc.net/4099090097097091/Wild-Blue-Yonder-by-Mary-Mead.pdf
    • http://loaminoo.linkpc.net/2098091090094093/Wild-Girls-by-Mary-Stewart-Atwell.pdf
    • http://loaminoo.linkpc.net/5090098099092099/Half-Wild-Poems-by-Mary-Rose-O-39-Reilley.pdf
    • http://loaminoo.linkpc.net/4096090094097/Wild-Boy-The-Real-Life-of-the-Savage-of-Aveyron-by-Mary-Losure.pdf
    • http://loaminoo.linkpc.net/6091094098099092/Wild-Nights-Mary-Wollstonecraft-4-by-Nancy-Means-Wright.pdf
    • http://loaminoo.linkpc.net/2098092098096099/Reclaiming-the-Wild-Soul-How-Earth-s-Landscapes-Restore-Us-to-Wholeness-by-Mary-Reynolds-Thompson.pdf
    • http://loaminoo.linkpc.net/1096092094096/Songs-for-Eve-by-Archibald-MacLeish.pdf
    • http://loaminoo.linkpc.net/1090097097093094090/The-Women-of-Easter-Encounter-the-Savior-with-Mary-of-Bethany-Mary-of-Nazareth-and-Mary-Magdalene-by-Liz-Curtis-Higgs.pdf
    • http://loaminoo.linkpc.net/5091096091090096/Whales-for-the-Wizard-by-Malcolm-Archibald.pdf
    • http://loaminoo.linkpc.net/8091099095099094/Archibald-and-the-Masses-by-Swami-Kriyananda.pdf
    • http://loaminoo.linkpc.net/8091099096090093/The-Anxiety-Cure-by-Archibald-D-Hart.pdf
    • http://loaminoo.linkpc.net/8091099095097096/Archibald-G-Brown-by-Iain-H-Murray.pdf

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