MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to shopify.com domains and one critical link to a known malicious redirector at ttraff.cc. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=precalculus+fifth+edition+pdf', indicating a lure to a potentially malicious site. The ML classifier strongly flagged this PDF as malicious.
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/pify?keyword=precalculus+fifth+edition+pdf
- http://files.vibrantlyalive.com.au/uploads/1/3/1/3/131383493/kumazekidek_movonavu.pdf
- http://files.dancestudiesuoft.ca/uploads/1/3/0/7/130775102/vozidowoviketuwa.pdf
- http://files.murray-company.com/uploads/1/3/1/0/131070452/jilumirim.pdf
- http://files.lincolnfencecontractors.com/uploads/1/3/2/6/132681938/7c5f525598fb.pdf
- https://cdn.shopify.com/s/files/1/0438/4600/8982/files/reinstall_npm_mac.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sesolofulazige.pdf
- https://cdn.shopify.com/s/files/1/0430/0813/1233/files/81362287021.pdf
- https://cdn.shopify.com/s/files/1/0431/4732/9702/files/nesitativiwirev.pdf
- https://cdn.shopify.com/s/files/1/0431/6820/2901/files/39204818410.pdf
- https://cdn.shopify.com/s/files/1/0437/6893/8647/files/44777480114.pdf
- https://cdn.shopify.com/s/files/1/0430/6590/1210/files/90581326456.pdf
- https://cdn.shopify.com/s/files/1/0435/3412/3160/files/56527174608.pdf
- https://cdn.shopify.com/s/files/1/0428/1437/4054/files/zupefonowodebovosura.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81988232477.pdf
- https://cdn.shopify.com/s/files/1/0431/9802/1793/files/99240085777.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f8e.binf4ffb96ff743790a47c20dc70f166abbcc318653f3d29c2ca4a7c4b21f3293e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F8E | 5244 bytes |
font_01_sfnt_off0000715b.bin20d09e9ff06380c6d917ba744e5114dce0481a1ea95687dfd3e084b98af94081 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x715B | 10572 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.