MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, identified as a link farm, pointing to external resources. One of these links, 'https://ttraff.ru/pify?keyword=video+er+android+app+source+code', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, appears to contain the malicious URL, suggesting a lure to a malicious site.
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=video+er+android+app+source+code
- http://files.solsticemoons.com/uploads/1/3/1/3/131381003/341303.pdf
- http://files.abivaonlineresources.com/uploads/1/3/1/4/131453636/7e05af.pdf
- https://cdn.shopify.com/s/files/1/0433/2758/6457/files/xudamuvuvopexisulesabula.pdf
- https://cdn.shopify.com/s/files/1/0439/0843/2027/files/faloderixevibon.pdf
- https://cdn.shopify.com/s/files/1/0432/5041/7827/files/tilenabulinu.pdf
- https://cdn.shopify.com/s/files/1/0431/1462/7234/files/supesifogudugegi.pdf
- https://cdn.shopify.com/s/files/1/0430/9024/7829/files/4551434102.pdf
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/jixaloduvifogogojorovizo.pdf
- https://cdn.shopify.com/s/files/1/0437/0143/6566/files/lirubutifeleb.pdf
- https://cdn.shopify.com/s/files/1/0432/1440/5793/files/sogexuta.pdf
- https://cdn.shopify.com/s/files/1/0433/0212/5733/files/95352077272.pdf
- https://cdn.shopify.com/s/files/1/0435/5420/9943/files/calligraphy_fonts_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/9485/2252/files/nexevesufaroxakobuvaf.pdf
- https://cdn.shopify.com/s/files/1/0444/2266/0263/files/mini_budget_2020_19_pakistan.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_off00006eaa.bina4ab4ad27ed190d9a51351366d88eb4ad78278fa554a0d88de0701a2b2ee2add |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EAA | 5000 bytes |
font_01_sfnt_off00007fb8.bin2699ba8cd083058b1ddd871447166ae2aaa988b186e4b4f0643c6b424c752a19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FB8 | 10220 bytes |
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