MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains a link farm with numerous Shopify URLs and a primary malicious redirector URL, 'https://ttraff.cc/wb?keyword=math%20economics%20pdf'. This indicates a social engineering attempt to drive traffic to malicious infrastructure, likely for further exploitation or phishing. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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.
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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.
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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.
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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/wb?keyword=math%20economics%20pdf
- http://files.dolcewrites.com/uploads/1/3/1/4/131438329/8142754.pdf
- https://cdn.shopify.com/s/files/1/0430/0649/2831/files/almost_there_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0433/1634/7035/files/34341291563.pdf
- https://cdn.shopify.com/s/files/1/0437/6176/2456/files/xijamutiwog.pdf
- https://cdn.shopify.com/s/files/1/0441/2263/6440/files/amar_ujala_epaper_lucknow.pdf
- https://cdn.shopify.com/s/files/1/0431/1865/7697/files/15066743882.pdf
- https://cdn.shopify.com/s/files/1/0440/6896/2469/files/gedumu.pdf
- https://cdn.shopify.com/s/files/1/0440/5159/5429/files/reproduo_angiospermas.pdf
- https://cdn.shopify.com/s/files/1/0430/4997/5959/files/65331308385.pdf
- https://cdn.shopify.com/s/files/1/0447/9103/8118/files/grab_rail_installation_guidelines_vic.pdf
- https://cdn.shopify.com/s/files/1/0436/5156/3670/files/digestion_and_absorption_of_carbohydrates.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xomekanob.pdf
- https://cdn.shopify.com/s/files/1/0430/6557/3537/files/molecular_mechanism_of_nitrogen_fixation.pdf
- https://cdn.shopify.com/s/files/1/0440/9176/8984/files/angles_of_depression_and_elevation_worksheet.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_off0000618d.bin594b4140cbf02762fa6fb88bec7ca920602b6992732f4b4030642e9b13cd5b31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x618D | 5272 bytes |
font_01_sfnt_off00007358.bin3d59067ff4bfee2ecf300245c751d7210d56eff7f303552a6da1e30c651ab6bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7358 | 10684 bytes |
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