Malicious PDF — malware analysis report

Static analysis result for SHA-256 87019e84d435cea9…

MALICIOUS

PDF

17.2 KB Created: 2019-04-30 04:30:19 +01:00 Authoring application: mPDF 5.7
MD5: be58dc2301f99416a7bc279c9cdd326d SHA-1: 3d0f284458c74cfc3f4fbde58cb3364066b4db58 SHA-256: 87019e84d435cea9e89911ce155d9a55dddcc6bf56e76435e55086698a528176
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a large number of embedded URLs pointing to a single domain, loaminoo.linkpc.net. This indicates a link farm or SEO poisoning attack designed to drive traffic to potentially malicious content. No scripts were extracted from this sample, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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/1095094096098099/Fitzpatrick-s-War-by-Theodore-Judson.pdf
    • http://loaminoo.linkpc.net/5099096094097093/Edmund-Morris-s-Theodore-Roosevelt-Trilogy-Bundle-The-Rise-of-Theodore-Roosevelt-Theodore-Rex-and-Colonel-Roosevelt-by-Edmund-Morris.pdf
    • http://loaminoo.linkpc.net/3097092090099092/Animals-by-Gemini-Judson.pdf
    • http://loaminoo.linkpc.net/4095098092092093/The-Laughter-Trap-by-Judson-Philips.pdf
    • http://loaminoo.linkpc.net/5091092091093096/Sabbath-Creek-by-Judson-Mitcham.pdf
    • http://loaminoo.linkpc.net/6090098096096/The-Complete-Stories-of-Theodore-Sturgeon-Volume-1-The-Ultimate-Egoist-by-Theodore-Sturgeon.pdf
    • http://loaminoo.linkpc.net/1095091094093094/Why-We-Raise-Belgian-Horses-by-Kathryn-Judson.pdf
    • http://loaminoo.linkpc.net/1093094097095097/Dragons-from-the-Sea-The-Strongbow-Saga-2-by-Judson-Roberts.pdf
    • http://loaminoo.linkpc.net/6094090091099095/The-Complete-Stories-of-Theodore-Sturgeon-Volume-III-Killdozer-by-Theodore-Sturgeon.pdf
    • http://loaminoo.linkpc.net/1093094096098092/The-Road-to-Vengeance-The-Strongbow-Saga-3-by-Judson-Roberts.pdf
    • http://loaminoo.linkpc.net/2097090098090091/To-the-Golden-Shore-The-Life-of-Adoniram-Judson-by-Courtney-Anderson.pdf
    • http://loaminoo.linkpc.net/7097092099091096/Theodore-Dreiser---Sister-Carrie-quot-In-Order-to-Have-Wisdom-We-Must-Have-Ignorance-quot-by-Theodore-Dreiser.pdf
    • http://loaminoo.linkpc.net/1091096097099098096/DNA-amp-Genealogy-by-Colleen-Fitzpatrick.pdf
    • http://loaminoo.linkpc.net/9096091095092097/The-Drummer-s-Widow-by-Joanna-FitzPatrick.pdf
    • http://loaminoo.linkpc.net/4093093096095/My-Life-Next-Door-by-Huntley-Fitzpatrick.pdf
    • http://loaminoo.linkpc.net/2095097096090098/You-Could-Make-a-Life-by-Taylor-Fitzpatrick.pdf
    • http://loaminoo.linkpc.net/6092092095092098/Pensei-que-fosse-verdade-by-Huntley-Fitzpatrick.pdf
    • http://loaminoo.linkpc.net/9098091099097/Meanwhile-Elsewhere-Science-Fiction-and-Fantasy-from-Transgender-Writers-by-Cat-Fitzpatrick.pdf
    • http://loaminoo.linkpc.net/1095098090095099/Today-Is-Too-Late-The-Shedim-Rebellion-1-by-Burke-Fitzpatrick.pdf
    • http://loaminoo.linkpc.net/4090095099093096/The-Art-of-Avatar-James-Cameron-s-Epic-Adventure-by-Lisa-Fitzpatrick.pdf
    • http://loaminoo.linkpc.net/1095091094093094/Wh

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