Malicious PDF — malware analysis report

Static analysis result for SHA-256 d85eeec5eb31ef79…

MALICIOUS

PDF

24.9 KB Created: 2019-05-01 18:00:59 +01:00 Authoring application: mPDF 5.7
MD5: 2d4071bab8f467618bd7898ed724bee6 SHA-1: e0f96b3c6199404e29a11ec864d7f7091d1ee6d0 SHA-256: d85eeec5eb31ef79777c58e52ccfcea978d46232d1ec767737c0457c7c3fe351
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. While the specific intent of the linked PDFs is unclear, the sheer volume and the nature of the heuristic firing suggest a malicious attempt to direct users to external resources, potentially for further exploitation or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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/6095090095097/Please-Be-Patient-I-m-Grieving-How-to-Care-For-and-Support-the-Grieving-Heart-Good-Grief-Series-Book-3-by-Gary-Roe.pdf
    • http://loaminoo.linkpc.net/1097097090096095/Grieving-Liberty-by-Kyra-Gregory.pdf
    • http://loaminoo.linkpc.net/5098099099096/They-re-All-Dead-Aren-t-They-A-Grieving-Mother-s-Journey-Toward-Hope-by-Joy-Swift.pdf
    • http://loaminoo.linkpc.net/1091091092092090099/Grieving-the-Child-I-Never-Knew-A-Devotional-for-Comfort-in-the-Loss-of-Your-Unborn-or-Newly-Born-Child-by-Kathe-Wunnenberg.pdf
    • http://loaminoo.linkpc.net/8090093094095098/Palliative-Care-to-the-Cancer-Patient-by-M-Silbermann.pdf
    • http://loaminoo.linkpc.net/1091098094095099098/Rad-Tech-s-Guide-to-MRI-Imaging-Procedures-Patient-Care-and-Safety-by-Carolyn-Kaut-Roth.pdf
    • http://loaminoo.linkpc.net/9098091091098/VIP-Very-Important-Patient-The-African-American-Woman-s-Guide-to-Health-Care-Healing-amp-Wellness-by-Tamiko-Morgan.pdf
    • http://loaminoo.linkpc.net/3096091097096/Good-Grief-by-Lolly-Winston.pdf
    • http://loaminoo.linkpc.net/2092093099095/Fibromyalgia-And-Other-Chronic-Painful-Conditions-The-Patient-s-Guide-And-Survival-Manual-For-Obtaining-Proper-And-Effective-Medical-Care-by-Jeffrey-B-Loomer.pdf
    • http://loaminoo.linkpc.net/2095098094091098/Good-Grief-More-Peanuts-by-Charles-M-Schulz.pdf
    • http://loaminoo.linkpc.net/2092096099092/Get-The-Best-Medical-Care-You-Can-Navigate-The-Medical-Maze-A-Patient-Guide-by-Donna-Maldonado-Schullo.pdf
    • http://loaminoo.linkpc.net/1091093097095092092/Black-Heart-Primary-Urges-Black-Heart-Series-Book-5-by-T-W-Gallier.pdf
    • http://loaminoo.linkpc.net/2093094093092092/Good-Grief-Charlie-Brown-Peanuts-Coronet-12-by-Charles-M-Schulz.pdf
    • http://loaminoo.linkpc.net/9095090091099094/My-UnBroken-Heart-Unforgettable-Hinton-Series-Book-5-by-Adrianne-Byrd.pdf
    • http://loaminoo.linkpc.net/3096099092098099/His-Heart-s-Delight-The-Braedon-Family-Series-Book-1-by-Mary-Blayney.pdf
    • http://loaminoo.linkpc.net/2095091094094097/Derek-s-Thorn-Beat-of-My-Heart-Series-Book-One-by-Tara-Lin-Mossinghoff.pdf
    • http://loaminoo.linkpc.net/6097093093094093/The-Patient-s-Brain-The-Neuroscience-Behind-the-Doctor-Patient-Relationship-by-Fabrizio-Benedetti.pdf
    • http://loaminoo.linkpc.net/9099097098098/My-Five-Stages-of-Grief---A-Father-s-Journey-to-Recovery-from-Bereavement-by-Darren-Heart.pdf
    • http://loaminoo.linkpc.net/1093093095097094/Orson-Scott-Card-Series-Reading-Order-amp-Checklist-Series-List-in-Order---Ender-Series-Formic-War-Series-Shadow-Series-Ender-Series-amp-Tales-of-Alvin-Maker-Series-Listabook-Series-Order-Book-15-by-Listabook.pdf
    • http://loaminoo.linkpc.net/8093095099096090/Walking-the-Labyrinth-of-My-Heart-A-Journey-of-Pregnancy-Grief-and-Newborn-Death-by-Dianna-Vagianos-Armentrout.pdf
    • http://loaminoo.linkpc.net/9098091091098/VIP-Very-Important-Patient-The-African-American-Woman-s-Guide-to-Health-Care-Healing-amp-Wellness-by-Tamiko-Morgan

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