MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many hosted on Shopify, designed to create a link farm for SEO purposes. One of these links, 'https://ttraff.cc/pify?keyword=biometria+hematica+procedimiento+pdf', points to a known malicious redirector. The document body is heavily obfuscated but contains references to the malicious URL and other PDF files, suggesting a lure to external 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.cc/pify?keyword=biometria+hematica+procedimiento+pdf
- http://files.crystalconnections.co.uk/uploads/1/3/1/8/131871704/zojelosizaluvi_furabifet_kijufuxiroge.pdf
- http://files.sjnww.org/uploads/1/3/0/8/130814644/7848327.pdf
- http://dowejosa.lagrangebennac.com/uploads/1/3/1/3/131384401/rumijotov_lutom.pdf
- https://cdn.shopify.com/s/files/1/0432/5195/7923/files/viforum.pdf
- https://cdn.shopify.com/s/files/1/0432/0873/6927/files/farototuzu.pdf
- https://cdn.shopify.com/s/files/1/0431/6649/8965/files/zowovekenenigoses.pdf
- https://cdn.shopify.com/s/files/1/0436/7430/4662/files/danodovujobibuxejosuvadi.pdf
- https://cdn.shopify.com/s/files/1/0430/0354/3715/files/gunuz.pdf
- https://cdn.shopify.com/s/files/1/0433/0684/4315/files/18700457013.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bizisumexu.pdf
- https://cdn.shopify.com/s/files/1/0430/2418/7549/files/58670646648.pdf
- https://cdn.shopify.com/s/files/1/0427/9956/2911/files/xogofob.pdf
- https://cdn.shopify.com/s/files/1/0437/1690/3080/files/68302748890.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejupabofutub.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_off00006c98.bin43feda3a1245ae2c0c59ca7fcf99cd03383507b7cd89b01783f68733d76eec82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C98 | 5236 bytes |
font_01_sfnt_off00007e38.binf3e4651813fb2dda16d3aa339cea6ab3a5b259de65bdadf3cec7863a0c233d17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E38 | 10044 bytes |
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