Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e403333f43cd5f5…

MALICIOUS

PDF

20.8 KB Created: 2019-05-02 05:18:34 +01:00 Authoring application: mPDF 5.7
MD5: e7a4f742e27a863abc8273f3df4f4b15 SHA-1: 924552863891d4e088382007c28326832b7e1bcb SHA-256: 5e403333f43cd5f58859b49dcaece2fe7209303ca99e71828cc65c94259a63e9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, many of which are structured as numeric slugs, indicating a potential link farm or SEO manipulation tactic. The ML classifier also flagged this PDF as malicious. The primary attack pattern observed is the distribution of numerous external links, likely intended to direct users to malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/2095091091092096/Sex-Difference-in-Christian-Theology-Male-Female-and-Intersex-in-the-Image-of-God-by-Megan-K-Defranza.pdf
    • http://loaminoo.linkpc.net/2090094099093092/The-Essential-Difference-Male-And-Female-Brains-And-The-Truth-About-Autism-by-Simon-Baron-Cohen.pdf
    • http://loaminoo.linkpc.net/2099095096099095/Threesomes-Male-Female-Male-by-Darren-G-Burton.pdf
    • http://loaminoo.linkpc.net/8098095090098091/Sterility-in-the-Male-an-Female-And-Its-Treatment-by-Max-Huhner.pdf
    • http://loaminoo.linkpc.net/8098095090098099/Sterility-in-the-Male-and-Female-and-Its-Treatment-by-Max-Huhner.pdf
    • http://loaminoo.linkpc.net/3099098090096099/The-Phallus-Palace-Female-to-Male-Transsexuals-by-Dean-Kotula.pdf
    • http://loaminoo.linkpc.net/4093096098092099/Male-Daughters-Female-Husbands-Gender-and-Sex-in-an-African-Society-by-Ifi-Amadiume.pdf
    • http://loaminoo.linkpc.net/4097099090098096/Gender-Shock-Exploding-the-Myths-of-Male-amp-Female-by-Phyllis-Burke.pdf
    • http://loaminoo.linkpc.net/8098094099091095/A-Practical-Treatise-on-Disorders-of-the-Sexual-Function-in-the-Male-and-Female-1921-by-Max-H-hner.pdf
    • http://loaminoo.linkpc.net/5090090090091091/Dear-Sir-or-Madam-The-Autobiography-of-a-Female-To-Male-Transsexual-by-Mark-Nicholas-Alban-Rees.pdf
    • http://loaminoo.linkpc.net/9092096099090098/Kurt-Schwitters-Space-Image-Exile-by-Megan-R-Luke.pdf
    • http://loaminoo.linkpc.net/7097090091096097/The-Doctrine-of-God-Contours-of-Christian-Theology-1-by-Gerald-L-Bray.pdf
    • http://loaminoo.linkpc.net/4092094091097094/The-Church-Contours-of-Christian-Theology-4-by-Edmund-P-Clowney.pdf
    • http://loaminoo.linkpc.net/7097090091097094/The-Providence-of-God-Contours-of-Christian-Theology-3-by-Paul-Helm.pdf
    • http://loaminoo.linkpc.net/5097094096098094/Take-Charge---BDSM-Female-Domination-Male-Submission-Erotica-by-BDSM-BDSM.pdf
    • http://loaminoo.linkpc.net/7097090091096093/The-Holy-Spirit-Contours-of-Christian-Theology-6-by-Sinclair-B-Ferguson.pdf
    • http://loaminoo.linkpc.net/7097090092092092/The-Doctrine-of-Humanity-Contours-of-Christian-Theology-5-by-Charles-Sherlock.pdf
    • http://loaminoo.linkpc.net/1092099098096099/The-Christian-Goddess-Archetype-and-Theology-in-the-Fantasies-of-George-MacDonald-by-Bonnie-Gaarden.pdf
    • http://loaminoo.linkpc.net/7098094094096092/NLP-at-Work-The-Difference-That-Makes-a-Difference-in-Business-by-Sue-Knight.pdf
    • http://loaminoo.linkpc.net/2092091098090094/Natural-Religion-amp-Christian-Theology-Vol-1-Science-amp-Religion-Gifford-Lectures-1951-by-Charles-E-Raven.pdf