MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body itself is heavily obfuscated, but the presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic. The primary malicious URL identified is https://ttraff.cc/wb?keyword=que%20es%20el%20paludismo%20o%20malaria%20pdf.
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.cc/wb?keyword=que%20es%20el%20paludismo%20o%20malaria%20pdf
- http://files.yunkawasiperu.org/uploads/1/3/1/3/131379612/vizarifogumawov.pdf
- http://files.wanderlustlilies.com/uploads/1/3/1/4/131455283/jeteloriz.pdf
- http://xinepeke.bamfordgodfrey.com/uploads/1/3/0/8/130874435/fajisibimeroz_zabasawo_newile.pdf
- http://files.highlightosteopaths.co.uk/uploads/1/3/0/7/130740536/lapikari-vebusewivanapu-fexipamipan-pobufujepe.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/75618649740.pdf
- https://cdn.shopify.com/s/files/1/0431/7131/5876/files/49151138507.pdf
- https://cdn.shopify.com/s/files/1/0428/9508/1625/files/basic_analog_and_digital_electronics.pdf
- https://cdn.shopify.com/s/files/1/0427/6636/8935/files/77029493005.pdf
- https://cdn.shopify.com/s/files/1/0437/7218/2685/files/83328365583.pdf
- https://cdn.shopify.com/s/files/1/0427/6033/9623/files/after_effects_step_by_step_tutorials.pdf
- https://cdn.shopify.com/s/files/1/0428/5225/3863/files/91447952733.pdf
- https://cdn.shopify.com/s/files/1/0431/9831/6705/files/6570945974.pdf
- https://cdn.shopify.com/s/files/1/0439/2216/1832/files/lawozezinikisob.pdf
- https://cdn.shopify.com/s/files/1/0427/9848/1564/files/60000_milliseconds_to_minutes.pdf
- https://cdn.shopify.com/s/files/1/0438/6013/2005/files/lejimorog.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_off00009462.bin8b934f935e916ce2ae5aacf27de807c6d87887dfc1b317fdaa07461bd37004f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9462 | 5248 bytes |
font_01_sfnt_off0000a624.binc7c0770b3a59fcf009ac7bb73b0a531401e4c255c27d8edb5719286fcf047d31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA624 | 10996 bytes |
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