MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=redis+4.x+cookbook+pdf+download'. This URL is presented within the document body, suggesting a social engineering lure to trick the user into clicking it. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many of which are benign but likely serve to mask the malicious redirector. The ML classifier strongly flags this PDF as malicious.
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.me/wix?keyword=redis+4.x+cookbook+pdf+download
- https://static.usrfiles.com/ugd/b8c837_93df851ba33a428ba21dde46959a3e73.pdf
- https://static.usrfiles.com/ugd/b8c837_3872781a27ec40df8fe96473d4beda52.pdf
- https://static.usrfiles.com/ugd/b8c837_46a560164ed24750b3b965e884e7aac6.pdf
- https://cdn.shopify.com/s/files/1/0434/0400/1443/files/teoria_del_aprendizaje_social_y_desarrollo_de_la_personalidad.pdf
- https://cdn.shopify.com/s/files/1/0430/2451/5235/files/faxazuk.pdf
- https://cdn.shopify.com/s/files/1/0432/5887/1963/files/game_of_thrones_complete_box_set.pdf
- https://cdn.shopify.com/s/files/1/0440/6099/9830/files/moritetavuwe.pdf
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/big_ideas_simply_explained_mythology.pdf
- https://cdn.shopify.com/s/files/1/0461/2154/9988/files/android_app_icon_pack.pdf
- https://cdn.shopify.com/s/files/1/0428/7266/8319/files/activity_diagram_for_hospital_management_system.pdf
- https://cdn.shopify.com/s/files/1/0434/1334/0312/files/sijanoselivina.pdf
- https://cdn.shopify.com/s/files/1/0436/4376/4889/files/wulekawal.pdf
- https://cdn.shopify.com/s/files/1/0440/2744/5398/files/jirijefijijojawon.pdf
- https://cdn.shopify.com/s/files/1/0431/8927/2725/files/63316264370.pdf
- https://cdn.shopify.com/s/files/1/0457/6775/3894/files/2381865742.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_off0000bb1a.bin9b3c9e0a81c5c1c2ec08cd02c65f51720b1a83518b4242548bd16d587c53e4f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB1A | 5544 bytes |
font_01_sfnt_off0000ce33.bin37508b198179d01e334699fc864976f4d8d14deb648bc774fb98d65f02fe873c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE33 | 14452 bytes |
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