MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. The document body, though heavily obfuscated, also contains this URL. Additionally, numerous PDF links were found, suggesting a link farm or redirection strategy. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=performance+appraisal+system+pdf
- http://files.vocations-sagesse.org/uploads/1/3/1/3/131380029/vavaguxuwuvi_juwakow_wopova_rikimanigikog.pdf
- http://files.annemariewalter.eu/uploads/1/3/1/3/131379540/zaber.pdf
- http://files.huntershealingcalls.com/uploads/1/3/1/0/131070718/tezisakudenev.pdf
- http://files.iapmdelhi.com/uploads/1/3/1/4/131437307/f4d6baa5017366.pdf
- http://nukofov.nejumpersassociation.com/uploads/1/3/0/7/130739385/wulege.pdf
- https://cdn.shopify.com/s/files/1/0429/9777/6543/files/zifibiponisisuzavag.pdf
- https://cdn.shopify.com/s/files/1/0431/1564/3041/files/xifedelurariroruwanaxo.pdf
- https://cdn.shopify.com/s/files/1/0429/8693/0329/files/123022630.pdf
- https://cdn.shopify.com/s/files/1/0430/9811/2167/files/pewagitarerovite.pdf
- https://cdn.shopify.com/s/files/1/0432/9956/9832/files/87217953061.pdf
- https://cdn.shopify.com/s/files/1/0437/9289/2061/files/pawosakalut.pdf
- https://cdn.shopify.com/s/files/1/0429/9997/1999/files/murixib.pdf
- https://cdn.shopify.com/s/files/1/0440/7833/4117/files/54990772598.pdf
- https://cdn.shopify.com/s/files/1/0438/0141/1744/files/pojefinuwololidexapopikon.pdf
- https://cdn.shopify.com/s/files/1/0430/3729/4754/files/aquaponics_project_proposal.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_off00009623.bin5f3cc62f4e77c9a64e64b005b9f84ce4b4b9b84575a18ae5e55638b8134c8721 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9623 | 5404 bytes |
font_01_sfnt_off0000a866.bin3737a9b2c988309786bd8fefae0ef2da6e0067e838be90a7168b376d2dcab687 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA866 | 10404 bytes |
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