MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/wix?keyword=que+es+certificacion+de+calidad+pdf'. This URL is presented within the document body, suggesting a lure to trick users into clicking it. The presence of a large number of external PDF links also indicates a link farm, likely for SEO manipulation or to obscure the malicious destination. The ML classifier strongly flagged 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.club/wix?keyword=que+es+certificacion+de+calidad+pdf
- https://static.usrfiles.com/ugd/33c377_61114ca840c4457093b07100483acb64.pdf
- https://static.usrfiles.com/ugd/2486b5_a0726e5898e54b29b1c651be71d6fc49.pdf
- https://static.usrfiles.com/ugd/436160_6b129415eb6f4ca6b216ea917e140952.pdf
- https://cdn.shopify.com/s/files/1/0432/8220/2782/files/69206852249.pdf
- https://cdn.shopify.com/s/files/1/0434/2192/5537/files/59277123282.pdf
- https://cdn.shopify.com/s/files/1/0432/3452/5352/files/magic_photo_editor_background_pictures_free.pdf
- https://cdn.shopify.com/s/files/1/0434/0531/2156/files/27755589698.pdf
- https://cdn.shopify.com/s/files/1/0428/5143/4659/files/rod_building_double_foot_guides.pdf
- https://cdn.shopify.com/s/files/1/0436/1538/7811/files/26094324065.pdf
- https://cdn.shopify.com/s/files/1/0437/7778/6018/files/41695896265.pdf
- https://static.usrfiles.com/ugd/027f51_9a6cf0d659a14d90915034e29e8e1a2c.pdf
- https://static.usrfiles.com/ugd/d6b5da_6f71dfea616947a3a0912f86a4e1e4d1.pdf
- https://static.usrfiles.com/ugd/66f7a0_01d26d9bf83c47a8836e580cbd0bd695.pdf
- https://static.usrfiles.com/ugd/c722c2_71c22d497a8d42e6b41e1cc3ca81749f.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_off0000977b.bin9bb6dc0eef2b1d2e4ec5adb75e99d0f08bdb29f40764225c564e9b586c706ab5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x977B | 5212 bytes |
font_01_sfnt_off0000a944.bin6627ac37c9f8c9feae32eb9979fe335ac02f0e92612460cd663ee3cb9738fac6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA944 | 11608 bytes |
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