MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous embedded links, many of which point to a redirector infrastructure known for malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be a lure for academic content, likely a social engineering tactic to drive traffic to malicious sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
-
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
-
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
-
Embedded URL info EMBEDDED_URLOne 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 https://ttraff.com/wix?keyword=microeconomia+michael+parkin+11va+ed
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/6350/9141/files/veminunotumogimibabew.pdf
- https://cdn.shopify.com/s/files/1/0434/0989/9670/files/61672968393.pdf
- https://cdn.shopify.com/s/files/1/0437/4151/1834/files/zafado.pdf
- https://cdn.shopify.com/s/files/1/0434/2641/4749/files/vumurirewokis.pdf
- https://static.usrfiles.com/ugd/e73fea_89a2b2bc54634eebb99722fa9776b5fa.pdf
- https://static.usrfiles.com/ugd/b8c837_f813b776b3b2450196a554948a86c5eb.pdf
- https://static.usrfiles.com/ugd/b8c837_407fb36b545b451db726156f0a55eebe.pdf
- https://static.usrfiles.com/ugd/b8c837_169ef3c8b5bf44cd98003b3c48c365e9.pdf
- https://static.usrfiles.com/ugd/b8c837_c2922f2e2c864870b739e3a005f8cb08.pdf
- https://static.usrfiles.com/ugd/b8c837_5f33da28321c406381cb980a03448b05.pdf
- https://static.usrfiles.com/ugd/b8c837_a8e836acaa924b13917c393c764f084a.pdf
- https://static.usrfiles.com/ugd/286fb8_24ffc852c696429abd63aa5bb5081a9d.pdf
- https://static.usrfiles.com/ugd/b8c837_74a5ce99115d458bb9fffb5bc40a766f.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d7e.bin123dfae4eeede279487c6e352df13b2c9732f71c7f3d8d780ba0437e9266c44e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D7E | 5316 bytes |
font_01_sfnt_off00005f68.bin5f726044ed4bc923decb7a970a5a51543af18dca9965bebbe64759560abe154c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F68 | 10388 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.