Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9bfa58d4d037927…

MALICIOUS

PDF

14.5 KB Created: 2019-05-04 13:34:51 +01:00 Authoring application: mPDF 5.7
MD5: 584366eb6fb4e3eed7f67bdddab038fb SHA-1: 1910cc4e9fe079c838a5ea6dea1b089352010ea3 SHA-256: a9bfa58d4d03792767043465d6af9f60c43d617eeedf71f34f90900288d1259e
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link

The PDF file contains a link farm with numerous URLs pointing to what appear to be dictionary-related PDFs. The heuristic 'PDF_SEO_LINK_FARM' indicates a high volume of external links, suggesting a malicious intent to manipulate search engine results or distribute further payloads. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine the exact nature of the threat beyond the link farm.

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/2092095092096092/Merriam-Webster-s-Collegiate-Dictionary-by-Merriam-Webster.pdf
    • http://loaminoo.linkpc.net/2097095099099097/The-Merriam-Webster-Dictionary-of-Quotations-by-Merriam-Webster.pdf
    • http://loaminoo.linkpc.net/2097095099098091/The-Merriam-Webster-Dictionary-by-Merriam-Webster.pdf
    • http://loaminoo.linkpc.net/2097096090090096/Merriam-Webster-s-Secretarial-Handbook-by-Merriam-Webster.pdf
    • http://loaminoo.linkpc.net/2097095099099099/Merriam-Webster-s-Rhyming-Dictionary-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/2097095099099093/Merriam-Webster-Children-s-Dictionary-by-Monica-Byles.pdf
    • http://loaminoo.linkpc.net/2092097091093093/Merriam-Webster-s-Dictionary-of-English-Usage-by-E-Ward-Gilman.pdf
    • http://loaminoo.linkpc.net/2097096090090095/Merriam-Webster-s-Guide-to-Punctuation-and-Style-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/1092094093092091/W-Is-For-Webster-Noah-Webster-and-his-American-Dictionary-by-Tracey-E-Fern.pdf
    • http://loaminoo.linkpc.net/3098096093094096/Pictorial-Webster-s-A-Visual-Dictionary-of-Curiosities-by-John-M-Carrera.pdf
    • http://loaminoo.linkpc.net/2092096098096095/Random-House-Webster-s-American-Sign-Language-Dictionary-by-Elaine-Costello.pdf
    • http://loaminoo.linkpc.net/4099090098090098/A-White-Christmas-in-Webster-County-Amish-of-Webster-County-4-by-Laura-V-Hilton.pdf
    • http://loaminoo.linkpc.net/1094090094090099/Family-Circle-by-Eve-Merriam.pdf
    • http://loaminoo.linkpc.net/3091096095094090/You-are-my-Sunshine-by-Angie-Merriam.pdf
    • http://loaminoo.linkpc.net/2091092093097097/Little-Girl-Lost-by-Joan-Merriam.pdf
    • http://loaminoo.linkpc.net/3091091096099095/You-Be-Good-amp-I-ll-Be-Night-Jump-On-The-Bed-Poems-by-Eve-Merriam.pdf
    • http://loaminoo.linkpc.net/1090096092098092095/Interwoven-Holiday-Anthology-by-Angie-Merriam.pdf
    • http://loaminoo.linkpc.net/2093099095091091/A-Broken-Forever-Neveah-Trilogy-1-by-Angie-Merriam.pdf
    • http://loaminoo.linkpc.net/4096096090093094/The-Wild-by-K-Webster.pdf
    • http://loaminoo.linkpc.net/6093096091/The-Wild-by-K-Webster.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.