MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lure users to malicious content. The document body, though heavily obfuscated, contains text related to 'Ficha bibliografica definicion pdf', suggesting a social engineering pretext. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the ultimate destination.
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=ficha+bibliografica+definicion+pdf
- http://files.dianastoic.com/uploads/1/3/1/4/131483266/f6ecce4b.pdf
- http://files.ontherockscrystals.com/uploads/1/3/2/7/132710743/deb68.pdf
- http://files.karaikudivoyage.us/uploads/1/3/1/4/131453485/6635c.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mokotutirajozejimus.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4969/files/91108785983.pdf
- https://cdn.shopify.com/s/files/1/0435/9471/1203/files/metal_cutting_and_machine_tools_notes.pdf
- https://cdn.shopify.com/s/files/1/0437/0454/9531/files/45770195023.pdf
- https://cdn.shopify.com/s/files/1/0433/1916/5086/files/84173372447.pdf
- https://cdn.shopify.com/s/files/1/0431/8475/0741/files/53699479283.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/23003022418.pdf
- https://cdn.shopify.com/s/files/1/0431/4418/3970/files/24086769502.pdf
- https://cdn.shopify.com/s/files/1/0433/0897/4235/files/65416191616.pdf
- https://cdn.shopify.com/s/files/1/0432/5523/4710/files/36560542175.pdf
- https://cdn.shopify.com/s/files/1/0429/7005/4805/files/76818131555.pdf
- https://cdn.shopify.com/s/files/1/0452/5244/4320/files/rural_area_certificate_rajasthan.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_off00006996.bin0171f091ddc7c0d50e7204a1eb50b47f945ecf14a0a172aee383dcacdbe1da2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6996 | 5336 bytes |
font_01_sfnt_off00007bad.bincb4bab020f3b01217a12611cf28206ac7f0fb9ad50e87b3e13e17debb574372e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BAD | 11116 bytes |
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