MALICIOUS
152
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 of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=tennis+elbow+exercises+pdf'. The document body, though heavily obfuscated, also contains this URL and other Shopify-hosted PDF links, suggesting a link farm or redirection scheme designed to lead users to malicious content. No scripts were extracted from this sample.
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=tennis+elbow+exercises+pdf
- http://files.h2020-tutorial.net/uploads/1/3/1/4/131483209/2383322.pdf
- http://files.pravdapromotions.net/uploads/1/3/0/8/130874329/vogevevabuvuzuz-pomukotidedul-zabutopig.pdf
- http://files.nomadnubians.com/uploads/1/3/1/8/131856200/nijaxopezuxekel_gitikovolimi_nabogu.pdf
- https://cdn.shopify.com/s/files/1/0430/9506/4730/files/28178684152.pdf
- https://cdn.shopify.com/s/files/1/0431/2127/9137/files/nivozega.pdf
- https://cdn.shopify.com/s/files/1/0430/9955/3959/files/fujopopibewitufel.pdf
- https://cdn.shopify.com/s/files/1/0438/9352/2587/files/vazotiwigojasuradewokugi.pdf
- https://cdn.shopify.com/s/files/1/0433/9780/8285/files/advantages_and_disadvantages_of_captive_insurance.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61403973964.pdf
- https://cdn.shopify.com/s/files/1/0436/1427/3698/files/82090060342.pdf
- https://cdn.shopify.com/s/files/1/0433/7975/3109/files/12360026093.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85286147205.pdf
- https://cdn.shopify.com/s/files/1/0434/4751/7349/files/39126169769.pdf
- https://cdn.shopify.com/s/files/1/0432/8233/3856/files/serenade_schubert_liszt.pdf
- https://cdn.shopify.com/s/files/1/0446/0884/8035/files/32237674984.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_off000068bd.bind3874a73ccaecf2487b9fa0893d0a18d0444021261499c930496514f0f6a7e53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68BD | 5188 bytes |
font_01_sfnt_off00007a84.bin2c84f78336e2f839c57b33e7b1fbfda1b2921115b685b378b13da84405a7026d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A84 | 10232 bytes |
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