Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b432cd7775be513…

MALICIOUS

PDF

19.1 KB Created: 2019-05-05 13:57:58 +01:00 Authoring application: mPDF 5.7
MD5: 68afde9c695a5a1161bbc77da499f33d SHA-1: bde99985b2b05a6dd2310a6a733c5f5809850ae9 SHA-256: 8b432cd7775be5139f9bed8bc4820c687d1c9cf78a3634edebf435c0e928eb7c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm, which is a common tactic for SEO spam or directing users to potentially malicious content. The ML classifier also flagged this PDF as malicious. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing suggest a malicious intent to drive traffic or potentially host malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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/6099094097095090/The-Future-Is-Not-Ours-New-Latin-American-Fiction-by-Diego-Trelles-Paz.pdf
    • http://loaminoo.linkpc.net/7095095091098097/El-Diego-The-Autobiography-of-the-World-s-Greatest-Footballer-by-Diego-Armando-Maradona.pdf
    • http://loaminoo.linkpc.net/8093095092093/Latin-American-Mystery-Writers-An-A-To-Z-Guide-by-Darrell-B-Lockhart.pdf
    • http://loaminoo.linkpc.net/4091094091094092/Borzoi-Anthology-of-Latin-American-Literature-V-1-by-Emir-R-Monegal.pdf
    • http://loaminoo.linkpc.net/1091093092099094092/Latin-American-Vanguards-The-Art-of-Contentious-Encounters-by-Vicky-Unruh.pdf
    • http://loaminoo.linkpc.net/3092099094093093/The-Motorcycle-Diaries-Notes-on-a-Latin-American-Journey-by-Ernesto-Che-Guevara.pdf
    • http://loaminoo.linkpc.net/1091090099099090095/History-And-The-Theology-Of-Liberation-A-Latin-American-Perspective-by-Enrique-Dussel.pdf
    • http://loaminoo.linkpc.net/7098094097095098/Images-of-Ambiente-Homotextuality-and-Latin-American-Art-1810-today-by-Rudi-C-Bleys.pdf
    • http://loaminoo.linkpc.net/1091096098093090/The-Future-is-Queer-A-Science-Fiction-Anthology-by-Richard-Labont-.pdf
    • http://loaminoo.linkpc.net/8096092093091098/The-Feeling-Child-Affect-and-Politics-in-Latin-American-Literature-and-Film-by-Peter-Baker.pdf
    • http://loaminoo.linkpc.net/4095098093090094/Fiction-2000-Cyberpunk-and-the-Future-of-Narrative-by-George-Edgar-Slusser.pdf
    • http://loaminoo.linkpc.net/8092093096099093/38-Latin-Stories-Designed-to-Accompany-Wheelock-s-Latin-by-Anne-H-Groton.pdf
    • http://loaminoo.linkpc.net/4092097096094096/A-People-s-Future-of-the-United-States-Speculative-Fiction-from-25-Extraordinary-Writers-by-Victor-LaValle.pdf
    • http://loaminoo.linkpc.net/2094094095092/The-Future-is-Japanese-Science-Fiction-Futures-and-Brand-New-Fantasies-from-and-about-Japan-by-Masumi-Washington.pdf
    • http://loaminoo.linkpc.net/2098091096093096/MFA-vs-NYC-The-Two-Cultures-of-American-Fiction-by-Chad-Harbach.pdf
    • http://loaminoo.linkpc.net/2095098098098090/The-Cunning-of-History-The-Holocaust-and-the-American-Future-by-Richard-L-Rubenstein.pdf
    • http://loaminoo.linkpc.net/4091095099096099/The-Nations-Within-The-Past-and-Future-of-American-Indian-Sovereignity-by-Vine-Deloria-Jr-.pdf
    • http://loaminoo.linkpc.net/9097095095099091/Sex-in-Crisis-The-New-Sexual-Revolution-and-the-Future-of-American-Politics-by-Dagmar-Herzog.pdf
    • http://loaminoo.linkpc.net/2091098092092/The-Critics-Bear-it-Away-American-Fiction-and-the-Academy-by-Frederick-C-Crews.pdf
    • http://loaminoo.linkpc.net/3094091095095092/A-Great-Aridness-Climate-Change-and-the-Future-of-the-American-Southwest-by-William-deBuys.pdf