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, a technique often used in SEO poisoning or to redirect users to malicious sites. One of the primary links, 'https://ttraff.ru/wix?keyword=possessive+pronouns+practice+esl', is flagged as a malicious redirector. The presence of a large link farm and a malicious redirector strongly suggests an attempt to lure users to harmful content.
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/wix?keyword=possessive+pronouns+practice+esl
- https://static.usrfiles.com/ugd/b8c837_a21f28d8f01041dbaa3e5affb1b8db98.pdf
- https://static.usrfiles.com/ugd/b8c837_fb7f2479483b46509ae1b8bf42284415.pdf
- https://static.usrfiles.com/ugd/b8c837_d3c1d65ba4fa411aa6448037372a4910.pdf
- https://static.usrfiles.com/ugd/b8c837_6580a7c862b0427c98b99a42a432d154.pdf
- https://cdn.shopify.com/s/files/1/0437/7758/9399/files/73511772733.pdf
- https://cdn.shopify.com/s/files/1/0435/9297/4499/files/battery_capacity_tester.pdf
- https://cdn.shopify.com/s/files/1/0438/7376/3496/files/after_effects_templates_intro_logo.pdf
- https://cdn.shopify.com/s/files/1/0444/4022/3911/files/pdf_candy_desktop_pro_review.pdf
- https://cdn.shopify.com/s/files/1/0430/9378/6778/files/minecraft_rf_to_fe.pdf
- https://cdn.shopify.com/s/files/1/0428/0903/2863/files/lords_of_the_fallen_strategy_guide.pdf
- https://cdn.shopify.com/s/files/1/0441/0192/7064/files/tijomukupi.pdf
- https://static.usrfiles.com/ugd/b8c837_5b0f340cbc6d40aa8891f4a2860b948b.pdf
- https://static.usrfiles.com/ugd/b8c837_2fa5e19c3e874ab1a8b08aba72e3ba99.pdf
- https://static.usrfiles.com/ugd/b8c837_964c2ae144f34a40bc95ae92fd1534ee.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_off00005b2e.bin73f2393dba173fad0ee72b4e1a837758355674e4918b925481e776d35dd3e3ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B2E | 4988 bytes |
font_01_sfnt_off00006c3c.bin046f03cf4c414a4b9a653c5691f658a804104e4831c15633c3945de3dc7071e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C3C | 10068 bytes |
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