Malicious PDF — malware analysis report

Static analysis result for SHA-256 0bf26f5926eb4291…

MALICIOUS

PDF

19.5 KB Created: 2019-11-09 21:35:56 +00:00 Authoring application: mPDF 5.7
MD5: 563b6cea8b88d639e67dfd9c18a1a70a SHA-1: 19cf6fb8d85ade3ad34dd13d725e5dda784045ba SHA-256: 0bf26f5926eb42910b0cbd929ed7eb8598a05d351fa87d4593a5b23b9a9d24af
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of linked PDFs suggests a deceptive or malicious intent, possibly to lead users to phishing sites or malware downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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://cefasfese.4pu.com/9735732737730/The-Trotter-Nama-A-Chronicle-by-Irwin-Allan-Sealy.pdf
    • http://cefasfese.4pu.com/2733739736733738/The-Everest-Hotel-A-Calendar-by-Irwin-Allan-Sealy.pdf
    • http://cefasfese.4pu.com/3736731735738732/Barry-Trotter-and-the-Shameless-Parody-Barry-Trotter-1-by-Michael-Gerber.pdf
    • http://cefasfese.4pu.com/3736734737738739/The-Crocodile-Hunter-The-Incredible-Life-and-Adventures-of-Steve-and-Terri-Irwin-by-Steve-Irwin.pdf
    • http://cefasfese.4pu.com/1731733738731732730/The-Whiskey-Baron-by-Jon-Sealy.pdf
    • http://cefasfese.4pu.com/7738733731736730/Hotel-Afrique-by-Mark-Sealy.pdf
    • http://cefasfese.4pu.com/3732739737733730/False-Friends-and-True-Strangers-Nama-Beach-High-2-by-Nancy-N-Rue.pdf
    • http://cefasfese.4pu.com/5736735730737730/--2-lt-gt-Owari-no-Chronicle-2-B-Owari-no-Chronicle-4-by-Minoru-Kawakami.pdf
    • http://cefasfese.4pu.com/5736735731737738/--3-lt-gt-Owari-no-Chronicle-3-B-Owari-no-Chronicle-6-by-Minoru-Kawakami.pdf
    • http://cefasfese.4pu.com/5736735731737730/--7-Owari-no-Chronicle-7-Owari-no-Chronicle-14-by-Minoru-Kawakami.pdf
    • http://cefasfese.4pu.com/5736735731738731/--6-lt-gt-Owari-no-Chronicle-6-A-Owari-no-Chronicle-12-by-Minoru-Kawakami.pdf
    • http://cefasfese.4pu.com/2734738737737732/Winter-Fire-by-William-R-Trotter.pdf
    • http://cefasfese.4pu.com/5736732733739737/Les-lumi-res-d-Assam-by-Janet-MacLeod-Trotter.pdf
    • http://cefasfese.4pu.com/3731737736733733/Pixie-the-Night-Watch-Cat-by-Melinda-K-Trotter.pdf
    • http://cefasfese.4pu.com/8735734738731733/Lessons-in-Excellence-from-Charlie-Trotter-by-Paul-Clarke.pdf
    • http://cefasfese.4pu.com/4732739732731736/Resurrected-Adam-Wolf-Thriller-1-by-Steve-Trotter.pdf
    • http://cefasfese.4pu.com/7733735735730/She-and-Allan-Allan-Quatermain-11-by-H-Rider-Haggard.pdf
    • http://cefasfese.4pu.com/1730739735731733735/Manson-s-Girl-The-True-Story-of-Lynette-Squeaky-Fromme-by-Chad-Trotter.pdf
    • http://cefasfese.4pu.com/3738736731733738/Voices-from-the-Field-Defining-Moments-in-Counselor-and-Therapist-Development-by-Michelle-J-Trotter-Mathison.pdf
    • http://cefasfese.4pu.com/1731731732734737731/Daftar-Nama-Dan-Alamat-Bank-Asuransi-Dan-Lembaga-Keuangan-Lainnya-Januari-1986-Directory-of-Banking-Insurance-and-Other-Financial-Institution-January-1986-by-Republik-Indonesia.pdf

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