MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning model and heuristics indicating malicious redirector links and a link farm. The document body contains numerous embedded URLs, including a suspicious link to 'ttraff.ru', which is identified as a known malicious redirector. The presence of a large number of external links suggests an attempt to lure users to potentially 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=chloramine+by+product+formation
- http://files.roselapiere.com/uploads/1/3/0/7/130739490/piriresewamavel_tavexu.pdf
- http://duzovesu.exceedflooring.com/uploads/1/3/2/6/132682883/3947946.pdf
- http://fubelisi.4thoughtpsychology.com.au/uploads/1/3/1/4/131437423/xajigem.pdf
- http://files.langsidebedandbreakfast.com/uploads/1/3/0/7/130775304/9215669.pdf
- http://files.horseplayfarms.net/uploads/1/3/2/3/132303378/6566907.pdf
- https://cdn.shopify.com/s/files/1/0431/1754/3585/files/kopivokubi.pdf
- https://cdn.shopify.com/s/files/1/0431/8186/7176/files/wewagilapajabunoves.pdf
- https://cdn.shopify.com/s/files/1/0428/5179/5107/files/77274925384.pdf
- https://cdn.shopify.com/s/files/1/0441/4416/5016/files/aida_model.pdf
- https://cdn.shopify.com/s/files/1/0435/2026/2308/files/importance_of_hygiene_and_sanitation.pdf
- https://cdn.shopify.com/s/files/1/0452/3288/1824/files/baseboard_heater_installation_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/0536/9758/files/jepikite.pdf
- https://cdn.shopify.com/s/files/1/0440/5025/1941/files/fonctionnement_de_l_appareil_respiratoire.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/
- https://cdn.shopify.com/s/files/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006af4.bin73923887f630fbbe6786fff45bb610a39cddc0b379fc36d940bff91cda61df20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AF4 | 5364 bytes |
font_01_sfnt_off00007d02.binb02abc56a94b801f424aba4cda5b5599a5c7b7997df62ea4bb4e169925e05ad2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D02 | 10244 bytes |
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