MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Acca f5 performance management syllabus' and the malicious URL, suggesting a lure. The ML classifier strongly flagged this PDF as malicious, and the presence of a redirector link indicates an attempt to lead the user to a malicious site.
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/pify?keyword=acca+f5+performance+management+syllabus
- http://nasiwu.chrisgamecasting.com/uploads/1/3/0/7/130739017/d8858a.pdf
- http://files.invictahealthcare.net/uploads/1/3/0/7/130776646/fesofijijol.pdf
- https://cdn.shopify.com/s/files/1/0435/1649/3976/files/veditavejumapuvap.pdf
- https://cdn.shopify.com/s/files/1/0439/3621/9291/files/shikomita_glory_days.pdf
- https://cdn.shopify.com/s/files/1/0441/3744/7576/files/officer_buckle_and_gloria.pdf
- https://cdn.shopify.com/s/files/1/0431/0827/0244/files/laxij.pdf
- https://cdn.shopify.com/s/files/1/0432/7922/0891/files/tofewofawepegi.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/19287525486.pdf
- https://cdn.shopify.com/s/files/1/0431/4575/6833/files/jilanugelekemetawodumobod.pdf
- https://cdn.shopify.com/s/files/1/0434/2779/1009/files/3160658751.pdf
- https://cdn.shopify.com/s/files/1/0429/7005/4805/files/93485546433.pdf
- https://cdn.shopify.com/s/files/1/0432/4818/9603/files/bacteriophage_proteins.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_off00006175.bine11637b635ec6dd95846cea1994ad42affb5df5248da92c1b361b687e27ae788 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6175 | 5692 bytes |
font_01_sfnt_off000074c1.bin16fbcd59ed0f6dfdffbcd30ebdfc7d571d35346b2347c222b4c5c9bac2459c2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74C1 | 10256 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.