Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d6752889078a4c9…

MALICIOUS

PDF

24.6 KB Created: 2019-05-02 05:12:53 +01:00 Authoring application: mPDF 5.7
MD5: 46bf9d2de01873124edc24c067d7ebc9 SHA-1: 5e4d9c293cd3daba60076a724a8835b309785475 SHA-256: 5d6752889078a4c9ab9128f32f534c90b36e0cc5e3fcc0abb627c9b9a19beb5e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, which is a common tactic for SEO manipulation or distributing malicious content. While the document body is heavily obfuscated, the presence of numerous external links suggests an attempt to redirect the user to potentially harmful websites. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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/5099098096093094/The-Shun-Lee-Cookbook-Recipes-from-a-Chinese-Restaurant-Dynasty-by-Michael-Tong.pdf
    • http://loaminoo.linkpc.net/3092093097093097/Casanova-s-Chinese-Restaurant-A-Dance-to-the-Music-of-Time-5-by-Anthony-Powell.pdf
    • http://loaminoo.linkpc.net/1091092091094098096/Start-Up-Your-Restaurant-The-Definitive-Guide-for-Anyone-Who-Dreams-ofRunning-Their-Own-Restaurant-by-Priya-Bala.pdf
    • http://loaminoo.linkpc.net/1090091097096095091/Top-Secret-Restaurant-Recipes-2-More-Amazing-Clones-of-Famous-Dishes-from-America-s-Favorite-Restaurant-Chains-by-Todd-Wilbur.pdf
    • http://loaminoo.linkpc.net/8097099090093/The-16th-Round-From-Number-1-Contender-to-Number-45472-by-Rubin-Carter.pdf
    • http://loaminoo.linkpc.net/7091090093098094/Color-by-Number-Butterflies-30-fun-amp-relaxing-color-by-number-projects-to-engage-amp-entertain-by-Walter-Foster-Creative-Team.pdf
    • http://loaminoo.linkpc.net/7091090093099093/Color-by-Number-Mandalas-30-fun-amp-relaxing-color-by-number-projects-to-engage-amp-entertain-by-Walter-Foster-Creative-Team.pdf
    • http://loaminoo.linkpc.net/7091090093099090/Color-by-Number-Dogs-30-fun-amp-relaxing-color-by-number-projects-to-engage-amp-entertain-by-Walter-Foster-Creative-Team.pdf
    • http://loaminoo.linkpc.net/7091090093099095/Color-by-Number-Flowers-30-fun-amp-relaxing-color-by-number-projects-to-engage-amp-entertain-by-Walter-Foster-Creative-Team.pdf
    • http://loaminoo.linkpc.net/4096092099097094/The-Water-Dragon-A-Chinese-Legend---English-and-Chinese-bilingual-text-by-Li-Jian.pdf
    • http://loaminoo.linkpc.net/2092092091097099/Creation-of-the-Gods-Library-of-Chinese-Classics-Chinese-English-4-Volumes-by-Xu-Zhonglin.pdf
    • http://loaminoo.linkpc.net/1099096097091091/The-Book-of-Chinese-Beliefs-A-Journey-Into-the-Chinese-Inner-World-by-Frena-Bloomfield.pdf
    • http://loaminoo.linkpc.net/4099095092098096/Chinese-Gods-An-Introduction-to-Chinese-Folk-Religion-by-Jonathan-Chamberlain.pdf
    • http://loaminoo.linkpc.net/8098099093095098/The-Chinese-Mind-Understanding-Traditional-Chinese-Beliefs-and-Their-Influence-on-Contemporary-Culture-by-Boy-Lafayette-de-Mente.pdf
    • http://loaminoo.linkpc.net/4094091096099091/Lillian-Roxon-s-Rock-Encyclopedia-by-Lillian-Roxon.pdf
    • http://loaminoo.linkpc.net/9094098092095093/Capturing-Chinese-Stories-Prose-and-Poems-by-Revolutionary-Chinese-Authors-Including-Lu-Xun-Hu-Shi-Zhu-Ziqing-Zhou-Zuoren-and-Lin-Yutang-by-Lu-Xun.pdf
    • http://loaminoo.linkpc.net/9094098092090091/Chinese-Short-Stories-by-Revolutionary-Authors---Read-Chinese-Literature-with-Detailed-Footnotes-Pinyin-Summaries-and-Audio-by-Kevin-John-Nadolny.pdf
    • http://loaminoo.linkpc.net/1091098095096091097/The-Pun-Restaurant-by-Hirotaka-Nakagawa.pdf
    • http://loaminoo.linkpc.net/2098097091097097/Taken-by-Lillian-Fiesty.pdf
    • http://loaminoo.linkpc.net/8095093099092099/The-Restaurant-of-Many-Orders-by-Kenji-Miyazawa.pdf