MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which are designed to appear as legitimate documents but lead to a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify, which is flagged as a known malicious redirector. The document body, though partially corrupted, contains text related to interview questions and also includes the malicious URL, suggesting a social engineering attempt to drive traffic to malicious sites.
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=behavioral+interview+questions+and+answers+for+supervisors
- http://rupusis.ruggyd.us/uploads/1/3/0/9/130969723/78c88b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/6150/1336/files/artificial_selection_in_animals.pdf
- https://cdn.shopify.com/s/files/1/0454/0373/4184/files/affiliate_marketing_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0432/2295/8248/files/69838132681.pdf
- https://cdn.shopify.com/s/files/1/0433/7205/2643/files/the_cask_of_amontillado_test.pdf
- https://cdn.shopify.com/s/files/1/0432/6011/7160/files/9980296985.pdf
- https://cdn.shopify.com/s/files/1/0434/0357/5447/files/28837829412.pdf
- https://cdn.shopify.com/s/files/1/0437/1234/8314/files/cofactor_of_a_3x3_matrix.pdf
- https://cdn.shopify.com/s/files/1/0434/0521/3847/files/89090047913.pdf
- https://cdn.shopify.com/s/files/1/0432/6876/7912/files/62347723177.pdf
- https://cdn.shopify.com/s/files/1/0437/9390/7869/files/auxiliar_administrativo_comunidad_de_madrid_temario.pdf
- https://cdn.shopify.com/s/files/1/0431/7990/1096/files/7564297265.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_off0000692a.bin2ed496cc4871b09643031247de8b8550c8cd45fd8d6187ecfed29270f2e8c903 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x692A | 5456 bytes |
font_01_sfnt_off00007bc7.bin43821d64e25f5c3f9dd4dff6d163c64f5eebbb83037410a5b2e173a669bfd754 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC7 | 10288 bytes |
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