MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, including one that redirects to malicious infrastructure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.cc/pify?keyword=mathematical+analysis+by+malik+and+arora+2nd+edition+pdf. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to download a document. 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.cc/pify?keyword=mathematical+analysis+by+malik+and+arora+2nd+edition+pdf
- http://files.labeldogshippingsupplies.com/uploads/1/3/0/8/130873728/8847f54207.pdf
- http://files.omanroadshow.com/uploads/1/3/0/7/130776182/da712092f62c6.pdf
- http://pivir.powerproductions.ca/uploads/1/3/0/7/130739704/bikixuwuki-kurovaxedon.pdf
- https://cdn.shopify.com/s/files/1/0429/4275/9071/files/vipirulumumo.pdf
- https://cdn.shopify.com/s/files/1/0432/2807/0052/files/lebamuguzuw.pdf
- https://cdn.shopify.com/s/files/1/0434/0600/0282/files/roadside_design_guide_4th_edition.pdf
- https://cdn.shopify.com/s/files/1/0435/6833/2959/files/kezabugize.pdf
- https://cdn.shopify.com/s/files/1/0437/3970/9605/files/biblia_catolica_en_ingles.pdf
- https://cdn.shopify.com/s/files/1/0429/8237/5577/files/77967707850.pdf
- https://cdn.shopify.com/s/files/1/0434/1353/6925/files/45345160309.pdf
- https://cdn.shopify.com/s/files/1/0437/6703/8109/files/59821025877.pdf
- https://cdn.shopify.com/s/files/1/0432/4252/0739/files/18613153539.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijev.pdf
- https://cdn.shopify.com/s/files/1/0434/7196/2265/files/software_engineering.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_off00004c2b.bin7192757f39ca659c06af70907a95d7b9725c85eff9be6109d77e2d89063e2099 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C2B | 5840 bytes |
font_01_sfnt_off00005ff1.bin081e4eabe4154457ca52b2f78e1ce22a33f8c2f9c70eda4a1169521df1f2e059 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FF1 | 10096 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.