MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous links, including a critical redirector link to 'ttraff.com', indicating a phishing or malicious redirection attempt. The document body, though malformed, suggests a lure related to 'formulas and functions in ms excel pdf'. The presence of a link farm and the ML classifier's high confidence further support the malicious nature of this document.
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.com/pify?keyword=formulas+and+functions+in+ms+excel+pdf
- http://files.dianasofiaestrada.com/uploads/1/3/1/3/131379382/jololexorase.pdf
- http://files.stephenlemons76.com/uploads/1/3/0/9/130969305/vazomobaxutovoraz.pdf
- http://files.radonchamber.com/uploads/1/3/1/4/131406841/9079892.pdf
- https://cdn.shopify.com/s/files/1/0433/9315/5237/files/vigeravulikizavinejevi.pdf
- https://cdn.shopify.com/s/files/1/0433/9951/2231/files/sunovavulidukoxopirowu.pdf
- https://cdn.shopify.com/s/files/1/0430/9227/9460/files/design_and_analysis_of_sorting_algorithms.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62114329075.pdf
- https://cdn.shopify.com/s/files/1/0429/9869/4049/files/55333187208.pdf
- https://cdn.shopify.com/s/files/1/0431/1928/0288/files/51127630361.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fimovubonivunab.pdf
- https://cdn.shopify.com/s/files/1/0429/4760/8730/files/70179147000.pdf
- https://cdn.shopify.com/s/files/1/0431/6784/2465/files/47790507768.pdf
- https://cdn.shopify.com/s/files/1/0433/1329/9620/files/kozewuzogovujal.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_off000068c9.bindc80f6fc575f47f200674e092edfe40fd0fda0a44449d43bed14ba55cf065949 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68C9 | 5324 bytes |
font_01_sfnt_off00007ad4.bin54d5f4c8ef6f59afea3f35b1bfd1fe57967f8beabfac9eeaeed1bdb32eae194a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AD4 | 10784 bytes |
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