Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b703a71211a53c1…

MALICIOUS

PDF

24.2 KB Created: 2019-05-02 17:47:48 +01:00 Authoring application: mPDF 5.7
MD5: 041bfc3248cef90b560fd1351e77996a SHA-1: ea64e841186a7911c6c7e89781a2833239258567 SHA-256: 2b703a71211a53c1662c6d7071e43647cc6c5bd4f927d440b7919ccadbb447fe
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also strongly flagged this PDF as malicious. While the document body is heavily corrupted, the presence of numerous links suggests an attempt to direct users to potentially harmful content or for SEO manipulation. No scripts were extracted from this sample.

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/1091099096097097097/A-History-of-the-End-of-the-World-How-the-Most-Controversial-Book-in-the-Bible-Changed-the-Course-of-Western-Civilization-by-Jonathan-Kirsch.pdf
    • http://loaminoo.linkpc.net/9093093091096091/Western-Civilization-A-History-of-European-Society-Since-1300-by-Hause.pdf
    • http://loaminoo.linkpc.net/4092095091092097/The-Man-Who-Would-Not-Be-Washington-Robert-E-Lee-s-Civil-War-and-His-Decision-That-Changed-American-History-by-Jonathan-Horn.pdf
    • http://loaminoo.linkpc.net/1091097092095096091/Discovering-the-Land-of-the-Bible-the-History-of-All-Time-The-North-Western-Frontier-of-Pakistan-by-Sayed-Wahab-Barq-Yousafzai.pdf
    • http://loaminoo.linkpc.net/7091098097093094/Ancient-Rome-History-of-a-civilization-that-ruled-the-world-by-Annamaria-Liberati.pdf
    • http://loaminoo.linkpc.net/7091098097092093/Ancient-Rome-History-of-a-Civilization-That-Ruled-the-World-by-Anna-Maria-Liberati.pdf
    • http://loaminoo.linkpc.net/4091091091/Bad-Girls-Throughout-History-100-Remarkable-Women-Who-Changed-the-World-by-Ann-Shen.pdf
    • http://loaminoo.linkpc.net/2095095099090092/50-Battles-That-Changed-the-World-The-Conflicts-That-Most-Influenced-the-Course-of-History-by-William-Weir.pdf
    • http://loaminoo.linkpc.net/4090097093090/28-Days-Moments-in-Black-History-that-Changed-the-World-by-Charles-R-Smith-Jr-.pdf
    • http://loaminoo.linkpc.net/5099097092095090/Rumors-That-Changed-the-World-A-History-of-Violence-and-Discrimination-by-Eugen-O-Chirovici.pdf
    • http://loaminoo.linkpc.net/3096091095098090/The-Grand-Inquisitor-s-Manual-by-Jonathan-Kirsch.pdf
    • http://loaminoo.linkpc.net/2093098096097098/100-Cats-Who-Changed-Civilization-by-Sam-Stall.pdf
    • http://loaminoo.linkpc.net/4095099099091098/For-All-the-Tea-in-China-How-England-Stole-the-World-s-Favorite-Drink-and-Changed-History-by-Sarah-Rose.pdf
    • http://loaminoo.linkpc.net/2092095094090094/Ping-Pong-Diplomacy-The-Secret-History-Behind-the-Game-That-Changed-the-World-by-Nicholas-Griffin.pdf
    • http://loaminoo.linkpc.net/4095094096094095/For-All-the-Tea-in-China-How-England-Stole-the-World-s-Favorite-Drink-and-Changed-History-by-Sarah-Rose.pdf
    • http://loaminoo.linkpc.net/1091099096097098091/King-David-The-Real-Life-of-the-Man-Who-Ruled-Israel-by-Jonathan-Kirsch.pdf
    • http://loaminoo.linkpc.net/6099095090096/The-Ultimate-History-of-Video-Games-From-Pong-to-Pokemon---The-Story-Behind-the-Craze-That-Touched-Our-Lives-and-Changed-the-World-by-Steven-L-Kent.pdf
    • http://loaminoo.linkpc.net/6090098095094090/Arab-Travellers-amp-Western-Civilization-by-Nazik-Saba-Yared.pdf
    • http://loaminoo.linkpc.net/5096093092092093/Eccentric-Culture-A-Theory-of-Western-Civilization-by-R-mi-Brague.pdf
    • http://loaminoo.linkpc.net/2097094096093095/The-Collapse-of-Western-Civilization-A-View-from-the-Future-by-Naomi-Oreskes.pdf