MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting it is a study guide, which is likely a lure. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector URL supports a phishing or malware distribution attack pattern.
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.ru/pify?keyword=ccna+service+provider+study+guide+pdf
- http://files.chiyokochin.com/uploads/1/3/2/7/132740362/7400334.pdf
- http://files.dhbenitez.com/uploads/1/3/1/1/131164016/1268120.pdf
- http://files.metintlblogsatbu.com/uploads/1/3/1/3/131398504/relatuta.pdf
- http://files.tenor-banjo-tabs.com/uploads/1/3/2/7/132740743/881e3f93185.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/5116/2517/files/are_strings_mutable_in_python.pdf
- https://cdn.shopify.com/s/files/1/0428/7240/6179/files/84252064324.pdf
- https://cdn.shopify.com/s/files/1/0431/0532/1109/files/27529465886.pdf
- https://cdn.shopify.com/s/files/1/0428/4389/8019/files/67800266025.pdf
- https://cdn.shopify.com/s/files/1/0430/2667/7913/files/busad.pdf
- https://cdn.shopify.com/s/files/1/0431/0928/6050/files/wivogirawujisajuj.pdf
- https://cdn.shopify.com/s/files/1/0431/8072/0285/files/pdf_books_free_download_arabic.pdf
- https://cdn.shopify.com/s/files/1/0430/5967/5293/files/maxaka.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/tudovufobivasasoli.pdf
- https://cdn.shopify.com/s/files/1/0435/6141/8913/files/bibivanojafadekobezi.pdf
- https://cdn.shopify.com/s/files/1/0434/9090/2166/files/53768085584.pdf
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/path_of_war_expanded_download.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_off00006420.binf920f4cefd1298ecc2a269032d4e3380d51972d9514dff96716e72fb107137c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6420 | 5356 bytes |
font_01_sfnt_off00007677.bin3d58bbd37f867fb684f504e9ee007cb5c1bd0d2de6f4aeeb9ff71da74d1b0b30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7677 | 10732 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.