Malicious PDF — malware analysis report

Static analysis result for SHA-256 dff24ed08e6d9fd6…

MALICIOUS

PDF

20.8 KB Created: 2019-05-01 18:36:17 +01:00 Authoring application: mPDF 5.7
MD5: 984b8fda507dc7a4cfbdee3e9f249f71 SHA-1: d075c9c9b0c6c439393555afed53a78d8daeb589 SHA-256: dff24ed08e6d9fd64eb8643e2ae297e2735041c224c7131d4ba3f8104550949e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains a large number of embedded links, all pointing to external PDFs hosted on the 'loaminoo.linkpc.net' domain. This heuristic firing indicates a link farm, likely intended to drive traffic or potentially host malicious content disguised as legitimate documents. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9904

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/5094090091094099/China-Safari-On-the-Trail-of-Beijing-s-Expansion-in-Africa-by-Serge-Michel.pdf
    • http://loaminoo.linkpc.net/4091097099097092/Africa-on-Six-Wheels-A-Semester-on-Safari-by-Betty-Levitov.pdf
    • http://loaminoo.linkpc.net/1090097090096093090/Southern-Africa-Safari-Companion-by-Diana-Lerche.pdf
    • http://loaminoo.linkpc.net/4090098090096096/The-Marginal-Safari-Scouting-the-Edge-of-South-Africa-by-Justin-Fox.pdf
    • http://loaminoo.linkpc.net/1099096094099098/China-Through-The-Lens-Of-John-Thomson-1868-1872-by-Beijing-World-Art-Museum.pdf
    • http://loaminoo.linkpc.net/1091092096098091090/Icsp-06-2006-8th-International-Conference-on-Signal-Processing-Proceedings-November-16-20-2006-Guilin-China-by-Beijing-Jiao-Tong-Da-Xue.pdf
    • http://loaminoo.linkpc.net/3099099092090093/Beijing-Abduction-An-American-in-Beijing-Book-1-by-Sha-Li.pdf
    • http://loaminoo.linkpc.net/2092096099096092/The-Eagle-and-the-Dragon-Globalization-and-European-Dreams-of-Conquest-in-China-and-America-in-the-Sixteenth-Century-by-Serge-Gruzinski.pdf
    • http://loaminoo.linkpc.net/7091098093090098/The-Lost-River-On-The-Trail-of-the-Sarasvati-by-Michel-Danino.pdf
    • http://loaminoo.linkpc.net/4093097093094093/Kilimanjaro-A-Photographic-Journey-to-the-Roof-of-Africa-by-Michel-Moushabeck.pdf
    • http://loaminoo.linkpc.net/1090097096099099095/Computer-Algebra-in-Scientific-Computing-19th-International-Workshop-CASC-2017-Beijing-China-September-18-22-2017-Proceedings-Lecture-Notes-in-Computer-Science-by-Vladimir-P-Gerdt.pdf
    • http://loaminoo.linkpc.net/5094090092099095/Perseverance-Entretien-Avec-Serge-Toubiana-by-Serge-Daney.pdf
    • http://loaminoo.linkpc.net/4097094090093095/On-the-Missionary-Trail-A-Journey-through-Polynesia-Asia-and-Africa-with-the-London-Missionary-Society-by-Tom-Hiney.pdf
    • http://loaminoo.linkpc.net/4094094098094095/Other-Voices-Other-Vistas-Short-Stories-from-Africa-China-India-Japan-and-Latin-America-by-Barbara-H-Solomon.pdf
    • http://loaminoo.linkpc.net/1098091097095/Trail-of-Hope-Story-of-the-Mormon-Trail-by-William-W-Slaughter.pdf
    • http://loaminoo.linkpc.net/3095092096093097/Trail-of-Hope-Hot-on-the-Trail-2-by-Merry-Farmer.pdf
    • http://loaminoo.linkpc.net/3095092096093093/Trail-of-Kisses-Hot-on-the-Trail-1-by-Merry-Farmer.pdf
    • http://loaminoo.linkpc.net/1095092090094098/The-Man-from-Beijing-by-Henning-Mankell.pdf
    • http://loaminoo.linkpc.net/1099096096090092/Folding-Beijing-by-Hao-Jingfang.pdf
    • http://loaminoo.linkpc.net/1091094099090095095/Unmade-in-China-The-Hidden-Truth-about-China-s-Economic-Miracle-by-Jeremy-R-Haft.pdf
    • http://loaminoo.linkpc.net/2092096099096092/The-Eagle-and-the-Dragon-Globalization-and-European-Dreams-of-Conquest-in-China-and-America-in-the-Sixteenth