MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The primary malicious URL is https://ttraff.ru/pify?keyword=metabolismo+de+carbohidratos+en+bovinos+pdf, which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains references to the malicious URL and other embedded links, reinforcing the attack pattern.
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=metabolismo+de+carbohidratos+en+bovinos+pdf
- http://files.rosemaryswords.com/uploads/1/3/0/7/130775085/fuvowuxeruzesi.pdf
- http://files.vernonsquaresurgicenter.com/uploads/1/3/0/8/130814052/baxowizelawopuxoteve.pdf
- http://files.missmollymayer.com/uploads/1/3/1/3/131380850/1c5a13b9.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zutazalurofesavasa.pdf
- https://cdn.shopify.com/s/files/1/0428/2767/7852/files/xesakulan.pdf
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/gegobiginalidu.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/63605197529.pdf
- https://cdn.shopify.com/s/files/1/0435/1374/1472/files/vixuzukoporisojapaxak.pdf
- https://cdn.shopify.com/s/files/1/0431/5496/4637/files/wunesedekibevaxariji.pdf
- https://cdn.shopify.com/s/files/1/0440/5572/4197/files/meningitis_por_staphylococcus_aureus.pdf
- https://cdn.shopify.com/s/files/1/0429/5763/5735/files/solutions_manual_test_banks.pdf
- https://cdn.shopify.com/s/files/1/0436/4923/7145/files/35856686459.pdf
- https://cdn.shopify.com/s/files/1/0431/6997/2384/files/21305000339.pdf
- https://cdn.shopify.com/s/files/1/0428/1496/3868/files/28341185510.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_off00005d0c.bin39012694f38e2a7791bd4c187b92bceac942e0fbb9369905b6ac45a9bd75f5ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D0C | 5600 bytes |
font_01_sfnt_off00006ffa.bin297b7c2b9656486837875ee5ba6826f7a836a2ea1d15939ac53273779d7c2ad4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FFA | 10532 bytes |
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