MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document exhibits malicious behavior through a critical heuristic firing indicating it links to known malicious redirector infrastructure. Additionally, it contains a mass of external PDF links, suggesting a link farm for SEO manipulation or to distribute further malicious content. The primary malicious URL identified is https://ttraff.ru/pify?keyword=perfect+answer+of+tell+me+about+yourself, which is likely used to redirect users to harmful 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=perfect+answer+of+tell+me+about+yourself
- http://files.faithchapeloh.org/uploads/1/3/2/6/132682542/xozojumu.pdf
- http://files.matthewpriceartist.com/uploads/1/3/1/3/131381612/lifix_sapunor.pdf
- http://files.bigtundraenterprisesprofessionalheadtaillightservice.com/uploads/1/3/0/8/130874403/8ff6f5.pdf
- https://cdn.shopify.com/s/files/1/0430/0010/3073/files/lewetomedilodamakezi.pdf
- https://cdn.shopify.com/s/files/1/0431/2812/7645/files/22534021623.pdf
- https://cdn.shopify.com/s/files/1/0431/7321/6412/files/anorexia_management.pdf
- https://cdn.shopify.com/s/files/1/0429/1241/5897/files/dunitedageko.pdf
- https://cdn.shopify.com/s/files/1/0435/3966/0951/files/21925018475.pdf
- https://cdn.shopify.com/s/files/1/0429/9866/1279/files/42301479442.pdf
- https://cdn.shopify.com/s/files/1/0429/9004/3285/files/daxogafuxolagux.pdf
- https://cdn.shopify.com/s/files/1/0428/2748/1255/files/56465756501.pdf
- https://cdn.shopify.com/s/files/1/0435/1878/7736/files/allahabad_state_university_time_table_2020.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_off000072c4.bine1401b7569e88118299c7c3b025506764ac4490fc84d84094dce785f4ef8d598 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C4 | 5364 bytes |
font_01_sfnt_off000084f8.binba6c07fd124fdafb4493b0e51e0d7e3026b124a2ef4957be69cbb840232d5b76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84F8 | 9840 bytes |
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