Malicious PDF — malware analysis report

Static analysis result for SHA-256 12d5c924e75f7430…

MALICIOUS

PDF

22.9 KB Created: 2020-02-16 05:25:27 +00:00 Authoring application: mPDF 5.7
MD5: f057037b6247956c51ca7009d69fed5a SHA-1: 4fe60624847de19a950200a6252ad7fce50b4d33 SHA-256: 12d5c924e75f7430848219bc8b1caa218610684843149094d7f4b96d49fa0cd8
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which are disguised as book titles, suggesting a link farm designed to trick users into downloading malicious files. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, but the presence of numerous external links indicates a potential for downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://peldoaio.myhome.cx/13d13d43d43d03d13d4/The-Eighth-Mental-Measurements-Yearbook-2-Vols-by-Oscar-Krisen-Buros.pdf
    • http://peldoaio.myhome.cx/13d13d43d33d73d73d6/Tests-in-Print-II-by-Oscar-Krisen-Buros.pdf
    • http://peldoaio.myhome.cx/93d03d33d73d83d7/Mental-Fitness-Training-Improving-your-brain-s-mental-toughness-for-life-Mental-Fitness-mental-training-brain-power-self-improvement-mental-strength-Book-1-by-Stephen-Cabo.pdf
    • http://peldoaio.myhome.cx/93d73d83d03d53d5/The-importance-of-being-Oscar-the-life-and-wit-of-Oscar-Wilde-by-Leslie-Frewin.pdf
    • http://peldoaio.myhome.cx/13d63d73d33d33d7/Oscar-The-Life-and-Music-of-Oscar-Peterson-by-Reva-Marin.pdf
    • http://peldoaio.myhome.cx/33d13d93d73d73d7/The-Measurements-of-Decay-by-K-K-Edin.pdf
    • http://peldoaio.myhome.cx/93d53d93d83d63d5/mental-floss-presents-Instant-Knowledge-by-Mental-Floss.pdf
    • http://peldoaio.myhome.cx/53d33d03d63d53d8/Combustion-Measurements-Modern-Techniques-and-Instrumentation-by-R-Goulard.pdf
    • http://peldoaio.myhome.cx/93d53d93d73d83d0/The-Works-of-Oscar-Wilde-Including-the-Poems-Novels-Plays-Essays-Fairy-Tales-and-Dialogs-by-Oscar-Wilde.pdf
    • http://peldoaio.myhome.cx/63d73d63d63d03d1/Oscar-Wilde-The-Complete-Collection-The-Picture-of-Dorian-Gray-14-Short-Stories-9-Plays-All-Poems-Selected-Essays-and-Letters-by-Oscar-Wilde.pdf
    • http://peldoaio.myhome.cx/13d13d13d43d83d13d4/Universal-Measurements-How-to-Free-Three-Birds-in-One-Move-by-Diederik-Aerts.pdf
    • http://peldoaio.myhome.cx/13d13d43d33d93d43d2/Kulturelle-Identitaet-Konstruktionen-Und-Krisen-by-Eva-Kimminich.pdf
    • http://peldoaio.myhome.cx/73d73d13d03d43d8/The-Importance-of-Being-Earnest-A-Trivial-Comedy-for-Serious-People-by-Oscar-Wilde-by-Oscar-Wilde.pdf
    • http://peldoaio.myhome.cx/13d13d43d33d93d33d6/Krisen-Und-Strukturelle-Probleme-in-Lateinamerika-by-Lukas-Brinkmann.pdf
    • http://peldoaio.myhome.cx/13d13d33d63d33d63d2/Bruche-Krisen-Wendepunkte-Neubefragung-Von-Ddr-Geschichte-by-Jochen-Cerny.pdf
    • http://peldoaio.myhome.cx/83d63d03d93d43d3/Paare-in-Krisen-Navigationshilfe-f-r-schwieriges-Gel-nde-by-Reinhardt-Kr-tzig.pdf
    • http://peldoaio.myhome.cx/13d13d43d43d03d13d6/Geld-aus-dem-Nichts-Wie-Banken-Wachstum-erm-glichen-und-Krisen-verursachen-by-Mathias-Binswanger.pdf
    • http://peldoaio.myhome.cx/33d33d23d83d63d0/The-Letters-of-Oscar-Wilde-Book-of-the-Week-by-Oscar-Wilde.pdf
    • http://peldoaio.myhome.cx/13d13d33d93d73d63d9/The-Mental-Status-Examination-in-Neurology-the-Mental-Status-Examination-in-Neurology-the-Mental-Status-Examination-in-Neurology-by-Richard-L-Strub.pdf
    • http://peldoaio.myhome.cx/93d43d53d73d03d5/Electronic-Analog-Measurements-And-Transducers-Module-1-Experiments-The-Malmstadt-Enke-Instrumentation-For-Scientists-Series-by-Howard-V-Malmstadt.pdf

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