Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3e1e7b179564df4…

MALICIOUS

PDF

15.6 KB Created: 2020-03-14 00:23:33 +00:00 Authoring application: mPDF 5.7
MD5: ce87998bf3e1357ea3b2b1b3805ec03e SHA-1: 8c1018eede7163141be217413b5ac2b7e63b60f1 SHA-256: c3e1e7b179564df4981fd994575c2b0fb35c5be9e191b50bb949580e5b0199d8
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF contains a large number of embedded links to external PDFs hosted on the domain 'calistazz.myhome.cx'. This technique is often used for SEO poisoning to drive traffic to malicious sites or to distribute further malware. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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://calistazz.myhome.cx/4864861869861869/Rock-n-Roll-Fantasy-by-Susan-Masino.pdf
    • http://calistazz.myhome.cx/4864861868866867/The-First-Rock-amp-Roll-Confidential-Report-Inside-the-Real-World-of-Rock-and-Roll-by-Dave-Marsh.pdf
    • http://calistazz.myhome.cx/2861863867869862/Rock-and-Roll-Never-Forgets-Rock-and-Roll-Trilogy-1-by-Barbara-S-Stewart.pdf
    • http://calistazz.myhome.cx/6869861862869/Rock-and-Roll-Never-Forgets-Rock-and-Roll-Trilogy-1-by-Barbara-S-Stewart.pdf
    • http://calistazz.myhome.cx/3860860861864867/The-Terrors-of-Rock-and-Roll-Samantha-Slade-4-by-Susan-Smith.pdf
    • http://calistazz.myhome.cx/4869868862860867/Rock-of-Ages-The-Rolling-Stone-History-of-Rock-and-Roll-by-Ed-Ward.pdf
    • http://calistazz.myhome.cx/4869865869866869/Rock-Til-You-Drop-The-Rock-and-Roll-Mysteries-2-by-Kathryn-Lively.pdf
    • http://calistazz.myhome.cx/9867869867867865/Rock-Deadly-The-Rock-and-Roll-Mysteries-1-by-Kathryn-Lively.pdf
    • http://calistazz.myhome.cx/7868861864861/A-Little-Bit-Rock-amp-Roll-by-E-M-Leya.pdf
    • http://calistazz.myhome.cx/7867868861866863/This-could-be-rock-n-roll-by-Tim-Roux.pdf
    • http://calistazz.myhome.cx/7864868866865862/BDSM---Sex-und-Rock-n-Roll-by-Joe-Gessler.pdf
    • http://calistazz.myhome.cx/4864860867867865/No-Regrets-A-Rock-n-Roll-Memoir-by-Ace-Frehley.pdf
    • http://calistazz.myhome.cx/3865865866862869/Tie-Me-Down-Sex-Love-and-Rock-amp-Roll-2-5-by-Michelle-Hazen.pdf
    • http://calistazz.myhome.cx/4865861867864861/Rock-n-Roll-Nights-by-Todd-Strasser.pdf
    • http://calistazz.myhome.cx/1862866861864865/Rock-and-Roll-Tourist-by-Graham-Forbes.pdf
    • http://calistazz.myhome.cx/1861869867865866864/Rock-n-Roll-Heaven-by-Shawn-Inmon.pdf
    • http://calistazz.myhome.cx/1861869867865869860/Sex-Drugs-Rock-and-Roll-by-Eric-Bogosian.pdf
    • http://calistazz.myhome.cx/4860869863869867/Love-Films-and-Rock-n-Roll-by-Swayam-Ganguly.pdf
    • http://calistazz.myhome.cx/1861869867864868865/There-Goes-Gravity-A-Life-in-Rock-and-Roll-by-Lisa-Robinson.pdf
    • http://calistazz.myhome.cx/4869868862865864/The-Mammoth-Book-of-Sex-Drugs-and-Rock-N-Roll-by-Jim-Driver.pdf

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