MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to potentially malicious redirectors or link farms. The primary malicious link identified is https://ttraff.ru/pify?keyword=english+grammar+tenses+pdf+in+gujarati, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains this URL, suggesting an attempt to lure users to malicious infrastructure under the guise of providing PDF 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=english+grammar+tenses+pdf+in+gujarati
- http://files.ameliasclosetfilm.com/uploads/1/3/1/0/131070688/pagebesaxa.pdf
- http://files.scpwdc.org/uploads/1/3/2/6/132683140/2245369.pdf
- http://files.artfulbarb.com/uploads/1/3/1/6/131636642/492c8bd77dc.pdf
- http://files.thomas-lebesmuehlbacher.com/uploads/1/3/1/3/131380871/f66de2f56e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/9452/3552/files/how_to_use_moss.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/48880371243.pdf
- https://cdn.shopify.com/s/files/1/0431/0728/7189/files/urc_8820_cisco_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/4503/4911/files/lawaxiwutezazigunivovel.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91960476686.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kurejala.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/1699264188.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mituvazejuremoposanizama.pdf
- https://cdn.shopify.com/s/files/1/0427/7056/3239/files/gamitosi.pdf
- https://cdn.shopify.com/s/files/1/0441/3282/7288/files/75287588899.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/libidurekatomanazavevufi.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e8d.bineea1e55e8cb5bb655ab08e2352d4512e2c8d34998b6edc156bb988c279be9d01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E8D | 5488 bytes |
font_01_sfnt_off0000711b.bin918d3defbb3060124cceca004299397a9f79f6ae9820f4d1c0689cf7f1bf98d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x711B | 10016 bytes |
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