Malicious PDF — malware analysis report

Static analysis result for SHA-256 37a90cdf15d4b870…

MALICIOUS

PDF

28.1 KB Created: 2019-04-29 22:57:58 +01:00 Authoring application: mPDF 5.7
MD5: 1a5c4e207d7121216b295157a2e05b38 SHA-1: 091651954d49766415ba6439c8006541958a06ae SHA-256: 37a90cdf15d4b870faefb4bc678d837348e2bcfc63120724efcc183e8ac7bc8f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, identified as a link farm. These URLs point to other PDF documents, likely as a lure to direct users to malicious content or to manipulate search engine results. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9892

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/2092092095098093/Unraveled-The-True-Story-of-a-Woman-Who-Dared-to-Become-a-Different-Kind-of-Mother-by-Maria-Housden.pdf
    • http://loaminoo.linkpc.net/3093095091096091/My-Mother-s-Secret-Based-on-a-True-Holocaust-Story-by-J-L-Witterick.pdf
    • http://loaminoo.linkpc.net/4098099099095093/Mummy-Come-Home-The-True-Story-Of-A-Mother-Kidnapped-And-Torn-From-Her-Children-by-Oxana-Kalemi.pdf
    • http://loaminoo.linkpc.net/4092094091092099/Comfort-Woman-A-Filipina-s-Story-of-Prostitution-and-Slavery-Under-the-Japanese-Military-by-Maria-Rosa-Henson.pdf
    • http://loaminoo.linkpc.net/1098097091096090/Precious-Angels-A-True-Story-of-Two-Slain-Children-and-a-Mother-Convicted-of-Murder-by-Barbara-Davis.pdf
    • http://loaminoo.linkpc.net/1090092091095090095/Following-Daisies---A-True-Story-About-One-Woman-s-Adventures-by-Heather-J-Pardon.pdf
    • http://loaminoo.linkpc.net/1098090091094092/Unraveled-A-Tale-of-True-Love-by-Julie-Daines.pdf
    • http://loaminoo.linkpc.net/2093096094095095/The-Magic-Castle-A-Mother-s-Harrowing-True-Story-of-Her-Adoptive-Son-s-Multiple-Personalities--and-the-Triumph-of-Healing-by-Carole-Smith.pdf
    • http://loaminoo.linkpc.net/1096091093097096/When-I-Fell-from-the-Sky-The-True-Story-of-One-Woman-s-Miraculous-Survival-by-Juliane-Koepcke.pdf
    • http://loaminoo.linkpc.net/3097093091/Trials-of-the-Earth-The-True-Story-of-a-Pioneer-Woman-by-Mary-Mann-Hamilton.pdf
    • http://loaminoo.linkpc.net/3093091096093092/Citizen-Jane-A-True-Story-of-Money-Murder-and-one-Woman-s-Mission-to-by-James-Dalessandro.pdf
    • http://loaminoo.linkpc.net/4099092093092/I-Am-Hutterite-The-Fascinating-True-Story-of-a-Young-Woman-s-Journey-to-Reclaim-Her-Heritage-by-Mary-Ann-Kirkby.pdf
    • http://loaminoo.linkpc.net/6091093098095091/A-Life-in-Pieces-A-Harrowing-True-Story-of-a-Woman-with-Multiple-Personality-Disorder-by-Richard-Baer.pdf
    • http://loaminoo.linkpc.net/5092099093096/No-Fourth-River-A-Novel-Based-on-a-True-Story-A-profoundly-moving-read-about-a-woman-s-fight-for-survival-by-Christine-Clayfield.pdf
    • http://loaminoo.linkpc.net/6094092091/The-Woman-Who-Smashed-Codes-A-True-Story-of-Love-Spies-and-the-Unlikely-Heroine-who-Outwitted-America-s-Enemies-by-Jason-Fagone.pdf
    • http://loaminoo.linkpc.net/3096095093096097/Unwise-Passions-A-True-Story-of-a-Remarkable-Woman---and-the-First-Great-Scandal-of-Eighteenth-Century-America-by-Alan-Pell-Crawford.pdf
    • http://loaminoo.linkpc.net/8096094097098090/That-Kind-of-Mother-by-Rumaan-Alam.pdf
    • http://loaminoo.linkpc.net/1091096095099099/Lori-s-Song-The-True-Story-of-an-American-Woman-Held-Captive-in-Iran-by-Lori-Foroozandeh.pdf
    • http://loaminoo.linkpc.net/2096097095097090/A-Free-Woman-on-God-s-Earth-The-True-Story-of-Elizabeth-quot-mumbet-quot-Freeman-the-Slave-Who-Won-Her-Freedom-by-Jana-Laiz.pdf
    • http://loaminoo.linkpc.net/1091094097090090090/A-Different-Kind-of-Daughter-The-Girl-Who-Hid-from-the-Taliban-in-Plain-Sight-by-Maria-Toorpakai.pdf
    • http://loaminoo.linkpc.net/1098097091096090/Prec

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