MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was identified as malicious by a machine learning classifier and contains a significant number of embedded links. One of these links, https://ttraff.ru/pify?keyword=cancioneros+catolicos+con+acordes+para+guitarra+pdf, points to known malicious redirector infrastructure. The document also functions as a link farm, embedding numerous other PDF links, many hosted on cdn.shopify.com, likely for SEO manipulation or to distribute further malicious content.
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=cancioneros+catolicos+con+acordes+para+guitarra+pdf
- http://files.theemptybobbin.com.au/uploads/1/3/0/7/130739101/3904560.pdf
- http://files.novelsf.com/uploads/1/3/1/4/131483550/mataxopawowojuvuba.pdf
- https://cdn.shopify.com/s/files/1/0447/9765/7248/files/tracheostoma_pflege.pdf
- https://cdn.shopify.com/s/files/1/0431/5090/1402/files/belaluwix.pdf
- https://cdn.shopify.com/s/files/1/0431/5129/4628/files/tecnologias_de_la_informacion_ejemplos.pdf
- https://cdn.shopify.com/s/files/1/0434/0934/2621/files/25126736815.pdf
- https://cdn.shopify.com/s/files/1/0465/4746/8446/files/corrugated_roof_sheeting_sizes_south_africa.pdf
- https://cdn.shopify.com/s/files/1/0430/9067/3813/files/53888018671.pdf
- https://cdn.shopify.com/s/files/1/0431/2789/8268/files/10288954007.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/xikimowis.pdf
- https://cdn.shopify.com/s/files/1/0436/7273/1801/files/cursive_writing_capital_letters_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0429/8155/6375/files/9188101279.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52135332303.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_off000078b2.bin948bada9fc5e6d0627f04190d7ecb9b02fe5cae59473aeedbc6e36c03c0ee946 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78B2 | 5228 bytes |
font_01_sfnt_off00008a83.bin33ddab0212585d6da3733b670e479105b89b3f1fb6a0bf2ece8139c773d20aca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A83 | 14976 bytes |
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