MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, embedding numerous external links, with one pointing to `https://ttraff.ru/wix?keyword=aprendizaje+socializado+pdf`. While many other links point to benign Shopify domains, the presence of the redirector link and the sheer volume of links suggest a malicious intent, possibly for SEO manipulation or to distribute further malware. 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.ru/wix?keyword=aprendizaje+socializado+pdf
- https://cdn.shopify.com/s/files/1/0432/6440/9755/files/24767264292.pdf
- https://cdn.shopify.com/s/files/1/0439/4424/7451/files/insertion_sort_c.pdf
- https://cdn.shopify.com/s/files/1/0431/8045/8144/files/victorian_era_powerpoint_template_free.pdf
- https://cdn.shopify.com/s/files/1/0429/4996/8035/files/voice_judges_dream_on_performance.pdf
- https://cdn.shopify.com/s/files/1/0428/3029/9292/files/ritilitijina.pdf
- https://static.usrfiles.com/ugd/b8c837_a644aabf54cd4891aee24555feb8c015.pdf
- https://static.usrfiles.com/ugd/b8c837_c6865350c6904ee082f0a3b299c15577.pdf
- https://static.usrfiles.com/ugd/b8c837_a4c5a4c552b24ff7ade7d7a220749a44.pdf
- https://static.usrfiles.com/ugd/9f6a24_ee6c9136203949b3b6684b75da08adf8.pdf
- https://cdn.shopify.com/s/files/1/0431/6764/5857/files/wanufuzebamesu.pdf
- https://cdn.shopify.com/s/files/1/0429/0802/4985/files/hdfc_bank_credit_card_closure_form.pdf
- https://cdn.shopify.com/s/files/1/0431/2688/2471/files/dusanozuvuvirago.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_off000062c6.bind5f9a55464dc3097bd0eadcf5d20d97b21b4e02095ab6a713d0ea099e3090401 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62C6 | 5264 bytes |
font_01_sfnt_off000074bf.bin91ebd749980937127e6f9d0a119f8779b22184c0067f21f94bfadf0177c6ac4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74BF | 11268 bytes |
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