MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF 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, with numerous embedded URLs pointing to external resources. The primary malicious URL identified is https://ttraff.ru/pify?keyword=cantos+espirituales+himnario+negro+pdf, which is likely used to funnel users to 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=cantos+espirituales+himnario+negro+pdf
- http://sojabipi.seakinglibrary.com/uploads/1/3/0/8/130874359/bizubovajuki-lixedinixamafe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8861538602.pdf
- https://cdn.shopify.com/s/files/1/0428/0041/4883/files/30033052020.pdf
- https://cdn.shopify.com/s/files/1/0432/0637/7632/files/1046127372.pdf
- https://cdn.shopify.com/s/files/1/0441/2866/5752/files/libro_rojo_de_plantas_endemicas_del_peru.pdf
- https://cdn.shopify.com/s/files/1/0438/6104/9494/files/pamiliwajadup.pdf
- https://cdn.shopify.com/s/files/1/0430/6200/1821/files/35428259112.pdf
- https://cdn.shopify.com/s/files/1/0431/4487/2085/files/wutang_clan_gravel_pit.pdf
- https://cdn.shopify.com/s/files/1/0429/7441/2949/files/loluzosonuwos.pdf
- https://cdn.shopify.com/s/files/1/0431/5293/3019/files/buxupixakovezonura.pdf
- https://cdn.shopify.com/s/files/1/0438/5056/3734/files/76636087469.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_off00006710.bin4c322d1d4eb396bff86ce266629c5387e31e5d0921076788b4900215b6becc12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6710 | 5360 bytes |
font_01_sfnt_off0000791a.bincd9d4228261beb068d657d9ad4dac958c9561dcc3cfc63861d9dd4024ddbb72b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x791A | 11572 bytes |
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