MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and a URL pointing to a redirector, suggesting an attempt to lure users to malicious content. No scripts were extracted, but the extensive use of embedded links points to a delivery mechanism designed to obscure the ultimate destination.
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=problematic+smartphone+use+pdf
- http://files.heavensgatepmc.com/uploads/1/3/2/7/132712323/a65af25336a2060.pdf
- http://xamitita.yosefrefaeli.com/uploads/1/3/1/4/131406717/15865500aab32be.pdf
- http://poduloda.highclasswhoopass.com/uploads/1/3/0/7/130775320/692687.pdf
- http://files.benobadia.com/uploads/1/3/1/8/131871677/5952892.pdf
- https://cdn.shopify.com/s/files/1/0437/2119/5669/files/pejuz.pdf
- https://cdn.shopify.com/s/files/1/0434/5056/4773/files/chemistry_notes_for_ssc_cgl_gradeup.pdf
- https://cdn.shopify.com/s/files/1/0432/1977/9742/files/32875345375.pdf
- https://cdn.shopify.com/s/files/1/0428/7237/3414/files/kidurezutemonunijawapow.pdf
- https://cdn.shopify.com/s/files/1/0429/6258/3711/files/8601499405.pdf
- https://cdn.shopify.com/s/files/1/0434/4479/7600/files/wulepamisiwegezaxota.pdf
- https://cdn.shopify.com/s/files/1/0431/2635/8173/files/4161089942.pdf
- https://cdn.shopify.com/s/files/1/0431/8072/0294/files/51081656664.pdf
- https://cdn.shopify.com/s/files/1/0429/0628/8291/files/xusevubobirobaganetowik.pdf
- https://cdn.shopify.com/s/files/1/0433/3823/6062/files/36915314992.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_off00007cb7.binc06667f183e278471ffaa14a309f8c118e882b1b013f33751632ffed5332ac54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CB7 | 5536 bytes |
font_01_sfnt_off00008f56.bin72567b41174aecca68886e7480fcd92b89e4281ed9e1589a900527053b89d52d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F56 | 10184 bytes |
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