Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e1eb8bb89386fb4…

MALICIOUS

PDF

16.8 KB Created: 2019-04-30 17:43:13 +01:00 Authoring application: mPDF 5.7
MD5: dda9148aea06fd38696cca3c5992267a SHA-1: 5d369ebdc791aba1cbd586b0f82198100d9be7f7 SHA-256: 9e1eb8bb89386fb40cd72d3e080e3b0778fb2c1038a2e779b344716132ab0474
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external PDF files hosted on the 'loaminoo.linkpc.net' domain. This is indicative of a link farm or a distribution mechanism for malicious content. The ML classifier strongly supports the malicious verdict. While no scripts were extracted, the PDF structure and URL distribution suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/1091094096094091092/It-s-Happy-Bunny-What-s-Your-Sign-by-Jim-Benton.pdf
    • http://loaminoo.linkpc.net/3091096095091092/It-s-Happy-Bunny-Life-Get-One-by-Jim-Benton.pdf
    • http://loaminoo.linkpc.net/2090099095099096/Happy-Kitty-Bunny-Pony-A-Saccharine-Mouthful-of-Super-Cute-by-Michael-J-Nelson.pdf
    • http://loaminoo.linkpc.net/4090094093092095/Bunny-Bunny-Gilda-Radner-A-Sort-of-Love-Story-by-Alan-Zweibel.pdf
    • http://loaminoo.linkpc.net/3099099090091/Mr-and-Mrs-Bunny-Detectives-Extraordinaire-The-Bunny-s-1-by-Polly-Horvath.pdf
    • http://loaminoo.linkpc.net/1098092092092094/The-Second-Sign-The-Second-Sign-1-by-Elizabeth-Arroyo.pdf
    • http://loaminoo.linkpc.net/7097091093097091/Benton-Benton-1-by-Jolie-du-Pre.pdf
    • http://loaminoo.linkpc.net/3090090094092091/Benton-Benton-2-by-Jolie-du-Pre.pdf
    • http://loaminoo.linkpc.net/8097093091091093/Julio-Bunny-Goes-to-the-Moon-Julio-Bunny-1-by-Nicoletta-Costa.pdf
    • http://loaminoo.linkpc.net/5091095093098095/Happy-Death-Day---Happy-Death-Day-Jisatsu-ya-Yomiji-to-Satsujinki-Dorian-Happy-Death-Day-1-by-.pdf
    • http://loaminoo.linkpc.net/4091094096097099/How-to-Be-Happy-in-Life-Easy-to-Use-Happiness-Tips-Ideas-and-Strategies-to-Be-Happy-by-Robert-Moment.pdf
    • http://loaminoo.linkpc.net/3090093097097/Finding-Happy-Happy-Montana-1-by-Zanne-Sweeney.pdf
    • http://loaminoo.linkpc.net/5098096097091091/Happy-Dog-Happy-Human-A-Realization-of-Needs-amp-Wants-by-Matthew-Crans.pdf
    • http://loaminoo.linkpc.net/4096091091091095/I-Want-to-be-Happy-How-to-Live-a-Happy-Life-by-Harriet-Griffey.pdf
    • http://loaminoo.linkpc.net/1091092092094096097/Happy-Happy-Clover-Vol-3-by-Sayuri-Tatsuyama.pdf
    • http://loaminoo.linkpc.net/7090090/Happy-Again-This-Is-What-Happy-Looks-Like-1-5-by-Jennifer-E-Smith.pdf
    • http://loaminoo.linkpc.net/3091093090093098/Short-Funny-Stories-For-Kids-Happy-Tales-for-Happy-Kids-by-Betty-J-Byers.pdf
    • http://loaminoo.linkpc.net/3091092096095098/The-Happy-Hollisters-and-the-Haunted-House-Mystery-Happy-Hollisters-21-by-Jerry-West.pdf
    • http://loaminoo.linkpc.net/3091092095097090/The-Happy-Hollisters-and-the-Ice-Carnival-Mystery-Happy-Hollisters-16-by-Jerry-West.pdf
    • http://loaminoo.linkpc.net/1090095090092092092/The-Happy-Hollisters-at-Sea-Gull-Beach-Happy-Hollisters-3-by-Jerry-West.pdf
    • http://loaminoo.linkpc.net/4091094096

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