Malicious PDF — malware analysis report

Static analysis result for SHA-256 235e8b360489b000…

MALICIOUS

PDF

22.6 KB Created: 2020-03-18 16:33:42 +00:00 Authoring application: mPDF 5.7
MD5: cd480d9950c1578ce87092471b6e80d4 SHA-1: 9b2f828597809f606c19e1b4a13d3eb5a30a9964 SHA-256: 235e8b360489b0002bcf485db857571daba64a5f4ee3e9e4325e92e658a3ff52
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links all point to the same domain, ieuicufioao.myhome.cx, and appear to be designed to trick users into downloading further malicious content or visiting phishing sites. The ML classifier also strongly indicated maliciousness. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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://ieuicufioao.myhome.cx/2553550556557/The-Beak-of-the-Finch-A-Story-of-Evolution-in-Our-Time-by-Jonathan-Weiner.pdf
    • http://ieuicufioao.myhome.cx/3553558552551553/Beauty-and-the-Beak-How-Science-Technology-and-a-3D-Printed-Beak-Rescued-a-Bald-Eagle-by-Deborah-Lee-Rose.pdf
    • http://ieuicufioao.myhome.cx/9554553556555/Icons-of-Evolution-Science-or-Myth-Why-Much-of-What-We-Teach-About-Evolution-Is-Wrong-by-Jonathan-Wells.pdf
    • http://ieuicufioao.myhome.cx/4554558553553557/Refuting-Evolution-A-Handbook-for-Students-Parents-and-Teachers-Countering-the-Latest-Arguments-for-Evolution-by-Jonathan-Sarfati.pdf
    • http://ieuicufioao.myhome.cx/3556557558552550/Long-for-This-World-The-Strange-Science-of-Immortality-by-Jonathan-Weiner.pdf
    • http://ieuicufioao.myhome.cx/1551553557552554552/Aracal-Arabic-Calligraphy-Evolution-Through-Time-by-Wafic-Ayoub.pdf
    • http://ieuicufioao.myhome.cx/6550551554559557/Hippolyte-and-Golden-Beak-by-George-Bassett.pdf
    • http://ieuicufioao.myhome.cx/1552554555555558/Billions-of-Years-Amazing-Changes-The-Story-of-Evolution-by-Laurence-Pringle.pdf
    • http://ieuicufioao.myhome.cx/1555553552552554/Star-of-Izon-Time-2-by-Jonathan-McFerran.pdf
    • http://ieuicufioao.myhome.cx/4554555555550557/From-Time-to-Time-A-Love-Story-by-J-C-Laird.pdf
    • http://ieuicufioao.myhome.cx/4557556559557559/Time-Restored-The-Harrison-Timekeepers-and-R-T-Gould-the-Man-Who-Knew-Almost-Everything-by-Jonathan-Betts.pdf
    • http://ieuicufioao.myhome.cx/4550557555559553/Evolution-Z-Stufe-Zwei-Evolution-Z---Zombie-Apokalypse-2-by-David-Bourne.pdf
    • http://ieuicufioao.myhome.cx/1551550557559550552/60-Greatest-Conspiracies-Of-All-Time---History-s-Biggest-Mysteries-Cover-ups-And-Cabals-by-Jonathan-Vankin.pdf
    • http://ieuicufioao.myhome.cx/2551556550552/Like-a-Fiery-Elephant-The-Story-of-B-S-Johnson-by-Jonathan-Coe.pdf
    • http://ieuicufioao.myhome.cx/4558552550558557/The-Evolution-Series-Omnibus-Edition-The-Evolution-1-3-by-S-A-Huchton.pdf
    • http://ieuicufioao.myhome.cx/2554554550555554/Angel-Evolution-The-Evolution-Trilogy-1-by-David-Estes.pdf
    • http://ieuicufioao.myhome.cx/3553552556552553/Sweep-The-Story-of-a-Girl-and-Her-Monster-by-Jonathan-Auxier.pdf
    • http://ieuicufioao.myhome.cx/1554553553558551/All-In-The-Almost-Entirely-True-Story-of-the-World-Series-of-Poker-by-Jonathan-Grotenstein.pdf
    • http://ieuicufioao.myhome.cx/7555555559/All-the-Pieces-Matter-The-Inside-Story-of-The-Wire-by-Jonathan-Abrams.pdf
    • http://ieuicufioao.myhome.cx/1559550555558554/Destiny-in-the-Desert-The-Story-Behind-El-Alamein---the-Battle-That-Turned-the-Tide-by-Jonathan-Dimbleby.pdf