MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, appears to contain text related to a 'chemistry unit 2 study guide' and includes the malicious URL. This suggests a social engineering tactic to trick users into visiting a potentially harmful site. The presence of numerous other links, many pointing to Shopify, indicates a link farm strategy, likely to obscure the malicious redirector.
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.cc/wix?keyword=chemistry+unit+2+study+guide
- https://cdn.shopify.com/s/files/1/0437/7149/4554/files/asvab_test_prep.pdf
- https://cdn.shopify.com/s/files/1/0431/3533/6616/files/backpage_body_rub_new_orleans.pdf
- https://cdn.shopify.com/s/files/1/0445/9141/5460/files/kudim.pdf
- https://cdn.shopify.com/s/files/1/0431/4926/3004/files/jaxomifobujam.pdf
- https://static.usrfiles.com/ugd/b8c837_68d82d63751d4673a654b89ed94a7141.pdf
- https://cdn.shopify.com/s/files/1/0433/8404/5719/files/apps_to_annotate_ipad_pro.pdf
- https://cdn.shopify.com/s/files/1/0434/0511/5544/files/75626017682.pdf
- https://cdn.shopify.com/s/files/1/0437/6576/0151/files/kisediruninexibekisi.pdf
- https://cdn.shopify.com/s/files/1/0431/4667/4337/files/cambridge_english_advanced_2_download.pdf
- https://static.usrfiles.com/ugd/0779a3_6877f7e6e0c644bfa09ce431737b3174.pdf
- https://static.usrfiles.com/ugd/b8c837_58416f673d194866acf20d68800139f1.pdf
- https://static.usrfiles.com/ugd/b8c837_f62a8d606c314b7dadde0fff054d4273.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00003ffc.bin048fb1891f432488516cd811e7b04d68e7d39e548ca3495625137f8fb0c23ff4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3FFC | 6744 bytes |
font_01_sfnt_off000050e1.bin8912ae92387d928ccfea8b8a8e548d54fd8eb0c92a3bff48398f407cea49348f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50E1 | 5136 bytes |
font_02_sfnt_off00006235.bin6c2b0f28e01a4ff4085fd4e0f676b014c5478de485173dae21919c2b3ace4690 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6235 | 10144 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.