MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including a critical link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=knee+exercises+for+meniscus+tear+pdf'. The document body, though heavily obfuscated, appears to contain text related to knee exercises, suggesting a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is used for phishing or malware distribution.
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=knee+exercises+for+meniscus+tear+pdf
- http://files.theboho.ca/uploads/1/3/0/7/130776131/nitepuwedovix.pdf
- http://files.athomeinwildspaces.com/uploads/1/3/1/6/131636758/geluzodopokulibok.pdf
- http://lariwonix.powerteam96.com/uploads/1/3/1/4/131407089/sijedawiximuzuteda.pdf
- https://cdn.shopify.com/s/files/1/0447/3726/5813/files/anatomia_do_cerebro_humano.pdf
- https://cdn.shopify.com/s/files/1/0437/6605/5063/files/8294211528.pdf
- https://cdn.shopify.com/s/files/1/0450/2038/1342/files/bayes_theorem_examples_a_visual_guide_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0433/9177/8965/files/rewodizuvixuwekanidu.pdf
- https://cdn.shopify.com/s/files/1/0431/9232/0161/files/app_inventor_2_download.pdf
- https://cdn.shopify.com/s/files/1/0427/4801/8855/files/rukaruzibutitete.pdf
- https://cdn.shopify.com/s/files/1/0432/2285/9944/files/vimolofobemuxifano.pdf
- https://cdn.shopify.com/s/files/1/0432/2269/6098/files/tupuwibax.pdf
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/gibot.pdf
- https://cdn.shopify.com/s/files/1/0440/2734/7109/files/30999370592.pdf
- https://cdn.shopify.com/s/files/1/0436/3393/4496/files/talubotidopiw.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_off0000701d.bina1f2ad7a31902413e300a15e08d12bcd4a8145a3773ed2077359bc31e4e8a01f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x701D | 5304 bytes |
font_01_sfnt_off00008219.binbef3e930294496dfc4dadff2aa55032e8523c45f34bcbbb25bc11726b4cda88d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8219 | 9776 bytes |
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