Malicious PDF — malware analysis report

Static analysis result for SHA-256 8086aef65035fc66…

MALICIOUS

PDF

18.1 KB Created: 2019-04-30 04:13:57 +01:00 Authoring application: mPDF 5.7
MD5: e440b645e7eb45f39e87ab3acd183847 SHA-1: d1194df07d667da5e43090d61d62a102471c5c72 SHA-256: 8086aef65035fc66767b2d7b8a5f78a500ca8325c66110af8063b43266b42bc5
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. This technique is often used to manipulate search engine results or to redirect users to malicious websites. The ML classifier also strongly indicated maliciousness. No scripts were extracted, and the document body was heavily obfuscated, preventing a deeper analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/5097091092099/The-Road-to-Home-South-Africa-Series-1-by-Vanessa-Del-Fabbro.pdf
    • http://loaminoo.linkpc.net/1091092099096098096/Travel-in-South-Africa-by-South-Africa-Railways-and-Harbou-Board.pdf
    • http://loaminoo.linkpc.net/1098099091097099/A-Single-Swallow-Following-An-Epic-Journey-From-South-Africa-To-South-Wales-by-Horatio-Clare.pdf
    • http://loaminoo.linkpc.net/3096094093090091/Rough-Road-Lake-Lovelace-2-by-Vanessa-North.pdf
    • http://loaminoo.linkpc.net/5090099090091096/No-Turning-Back-A-Novel-of-South-Africa-by-Beverley-Naidoo.pdf
    • http://loaminoo.linkpc.net/4093098090093091/Cry-the-Beloved-Country-A-Novel-of-South-Africa-by-Edward-Callan.pdf
    • http://loaminoo.linkpc.net/5094098090096098/Civil-Procedure-in-South-Africa-by-Roshana-Kelbrick.pdf
    • http://loaminoo.linkpc.net/9091095093096094/Traumatic-Stress-in-South-Africa-by-Debra-Kaminer.pdf
    • http://loaminoo.linkpc.net/4093096099098099/We-Make-Freedom-Women-in-South-Africa-by-Beata-Lipman.pdf
    • http://loaminoo.linkpc.net/1099097096092096/A-Rumour-of-Spring-South-Africa-After-20-Years-of-Democracy-by-Max-Du-Preez.pdf
    • http://loaminoo.linkpc.net/4090098090096096/The-Marginal-Safari-Scouting-the-Edge-of-South-Africa-by-Justin-Fox.pdf
    • http://loaminoo.linkpc.net/1091091090092092090/Trauma-Memory-and-Narrative-in-South-Africa-Interviews-by-Ewald-Mengel.pdf
    • http://loaminoo.linkpc.net/8093097095099093/The-South-Africa-Reader-History-Culture-Politics-by-Clifton-Crais.pdf
    • http://loaminoo.linkpc.net/2093091090091/Move-Your-Shadow-South-Africa-Black-and-White-by-Joseph-Lelyveld.pdf
    • http://loaminoo.linkpc.net/7092092096098094/Theory-from-the-South-Or-How-Euro-America-Is-Evolving-Toward-Africa-by-Jean-Comaroff.pdf
    • http://loaminoo.linkpc.net/1091099095093094091/Profiling-Serial-Killers-and-other-Crimes-in-South-Africa-by-Micki-Pistorius.pdf
    • http://loaminoo.linkpc.net/9098091094097091/Constituting-Democracy-Law-Globalism-and-South-Africa-s-Political-Reconstruction-by-Heinz-Klug.pdf
    • http://loaminoo.linkpc.net/5090097098092096/Women-s-Organizations-and-Democracy-in-South-Africa-Contesting-Authority-by-Shireen-Hassim.pdf
    • http://loaminoo.linkpc.net/4093097091099099/After-Mandela-The-Struggle-for-Freedom-in-Post-Apartheid-South-Africa-by-Douglas-Foster.pdf
    • http://loaminoo.linkpc.net/1090090095094092096/Opportunities-Challenges-for-Teacher-Education-Curriculum-in-South-Africa-by-Glenda-Kruss.pdf