Malicious PDF — malware analysis report

Static analysis result for SHA-256 0007cec1c25c784e…

MALICIOUS

PDF

19.5 KB Created: 2019-04-30 04:12:31 +01:00 Authoring application: mPDF 5.7 First seen: 2021-05-29
MD5: b6937e3bbb46932f42d2dfef790a1767 SHA-1: 70874a3217ae32fec1fc18046258617b10f9256e SHA-256: 0007cec1c25c784eae3cbd223ca28fb4039ee496fab71990f7e174a7a6aa55cc
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to direct users to external content, potentially for SEO manipulation or to host malicious payloads. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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://muicuiu.dumb1.com/1a09a00a05a01a03/All-I-Really-Need-To-Know-I-Learned-In-Kindergarten-Uncommon-Thoughts-On-Common-Things-by-Robert-Fulghum.pdf In PDF document text
    • http://muicuiu.dumb1.com/9a06a03a02a02/Life-Lessons-Everything-You-Ever-Wished-You-Had-Learned-in-Kindergarten-by-Donnalynn-Civello.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a08a07a02a00a01/It-Was-on-Fire-When-I-Lay-Down-on-It-by-Robert-Fulghum.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a09a07a03a05a06/It-Was-on-Fire-When-I-Lay-Down-on-It-by-Robert-Fulghum.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a00a02a06a04a08/The-Panic-of-1907-Lessons-Learned-from-the-Market-s-Perfect-Storm-by-Robert-F-Bruner.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a06a02a08a05/The-Spirit-Of-Liberty-Papers-And-Addresses-Of-Learned-Hand-by-Learned-Hand.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a04a00a00a09/The-Day-My-Mom-Came-to-Kindergarten-by-Maureen-Fergus.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a08a00a08a09a09/We-Like-Kindergarten-by-Clara-Cassidy.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a07a07a02a06a05/Kindergarten-and-the-Common-Core-by-Kathy-Brown.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a02a05a01a06a08/Macon-the-Monkey-Goes-to-Kindergarten-by-K-M-Ryant-Hutzel.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a01a09a01a01a05/Kaleb-Kick-Starts-Kindergarten-by-Lois-Estes.pdfIn PDF document text
    • http://muicuiu.dumb1.com/8a09a08a00a03a02/B-hne---Vorhang---Licht-Theaterspielen-im-Kindergarten-by-Cathrin-Moeller.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a00a07a02a09a00a01/The-Wee-House-and-The-Kindergarten-Mystery-Two-More-Enchanting-Tales-by-Kathleen-C-Dahlquist.pdfIn PDF document text
    • http://muicuiu.dumb1.com/8a02a02a07a05a08/Math-Games-Kindergarten-Math-amp-Logic-Puzzles-Collection-For-Kids-by-Kevin-Vagner.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a07a01a03a01a06/Teaching-Reading-Sourcebook-Sourcebook-for-Kindergarten-Through-Eight-Grade-Core-Literacy-Training-Series-by-Bill-Honig.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a04a05a00a01a00/How-I-Learned-To-Fly-Goosebumps-52-by-R-L-Stine.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a01a06a03a08a00/All-I-Need-to-Know-I-Learned-from-My-Cat-by-Suzy-Becker.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a06a03a07a00a07/The-Year-I-Learned-Everything-by-Roxane-Gay.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a05a06a04a04/Lesson-Learned-It-Is-What-It-Is-by-Portia-A-Cosby.pdfIn PDF document text
    • http://muicuiu.dumb1.com/5a00a01a08a09a08/Don-t-Know-Much-About-Geography-Everything-You-Need-to-Know-About-the-World-but-Never-Learned-by-Kenneth-C-Davis.pdfIn PDF document text

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