MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. The primary malicious URL, https://ttraff.com/pify?keyword=fases+de+la+enfermedad+de+alzheimer+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains the title 'Fases de la enfermedad de alzheimer pdf', suggesting a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious.
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.com/pify?keyword=fases+de+la+enfermedad+de+alzheimer+pdf
- http://files.mythbuilder.net/uploads/1/3/1/8/131857734/xatosip-fazevatilizosip-matagefukewop.pdf
- http://kivoxoto.enchantinteriors.com/uploads/1/3/1/4/131454859/cceb1185896ad33.pdf
- http://files.topdaves.com/uploads/1/3/0/7/130776485/sukozago.pdf
- https://cdn.shopify.com/s/files/1/0434/4017/7314/files/10727712664.pdf
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/33838744931.pdf
- https://cdn.shopify.com/s/files/1/0433/1814/9285/files/91236267597.pdf
- https://cdn.shopify.com/s/files/1/0431/6649/8965/files/javascript_dom_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0432/0467/3697/files/ledosixa.pdf
- https://cdn.shopify.com/s/files/1/0461/0673/8851/files/muleraranal.pdf
- https://cdn.shopify.com/s/files/1/0428/8207/2732/files/11198963623.pdf
- https://cdn.shopify.com/s/files/1/0431/5663/5812/files/67340125705.pdf
- https://cdn.shopify.com/s/files/1/0433/9626/8193/files/85365325097.pdf
- https://cdn.shopify.com/s/files/1/0434/3591/7464/files/tefededegug.pdf
- https://cdn.shopify.com/s/files/1/0440/8328/2070/files/likawivebeburugenazedesol.pdf
- https://cdn.shopify.com/s/files/1/0438/4430/5061/files/57307931034.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_off0000687e.bina3d8c1b22382a01a6e202f4df90d6a9cc34caf0f323f0ddaf88a4f58af57e43c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x687E | 5288 bytes |
font_01_sfnt_off00007a51.bin112a705a8ad99a2170638928a01b45960b1bb1688041ecf50198c4770ffeb97a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A51 | 11204 bytes |
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