MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded links, many of which are SEO-optimized and point to Shopify domains. One critical heuristic identified a link to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'halibut fishing guides' and the URLs themselves suggest a lure to potentially malicious content. The ML classifier strongly indicated maliciousness.
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.ru/pify?keyword=halibut+fishing+guides+in+homer+alaska
- http://files.curetypeone.com/uploads/1/3/1/3/131380121/dadf492e7ec13e.pdf
- https://cdn.shopify.com/s/files/1/0429/1421/8143/files/watch_avengers_online_for_free.pdf
- https://cdn.shopify.com/s/files/1/0430/7766/4929/files/61694474824.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/78119995933.pdf
- https://cdn.shopify.com/s/files/1/0431/1249/7305/files/sleep_apnea_patient_handout.pdf
- https://cdn.shopify.com/s/files/1/0430/9037/8901/files/3267136505.pdf
- https://cdn.shopify.com/s/files/1/0440/5002/2550/files/34209912916.pdf
- https://cdn.shopify.com/s/files/1/0437/7945/7173/files/application_of_probability_in_computer_science.pdf
- https://cdn.shopify.com/s/files/1/0438/2670/8640/files/29426138734.pdf
- https://cdn.shopify.com/s/files/1/0434/0704/8860/files/vetalorexi.pdf
- https://cdn.shopify.com/s/files/1/0436/4615/6960/files/mevefinizakexomeponavow.pdf
- https://cdn.shopify.com/s/files/1/0429/8083/5482/files/bavapowemofixozanimagebu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12729031526.pdf
- https://cdn.shopify.com/s/files/1/0430/0180/6997/files/85260078949.pdf
- https://cdn.shopify.com/s/files/1/0428/9832/5663/files/jupexosubitebenifopabupes.pdf
- https://cdn.shopify.com/s/files/1/0435/4244/6231/files/vadobaxokotodowi.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_off00006721.binf212170cf64a24468cd0c57991edb742e9e2d37fccefbae07910a9d065451e28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6721 | 5484 bytes |
font_01_sfnt_off0000798b.binb68b6c68af6f6a569970b8742bb08882e82a5bd9a855f673db7d59cb91d29081 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x798B | 10240 bytes |
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