MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify-hosted PDF files, indicating a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure, suggesting a potential distribution vector for further malicious content. 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.cc/pify?keyword=livros+sobre+o+candombl%25C3%25A9+pdf
- http://files.padfieldvillage.co.uk/uploads/1/3/1/4/131453034/da52e3c67175.pdf
- http://files.mckerrinkellydirector.com/uploads/1/3/1/0/131071082/latopoje.pdf
- http://files.spaldinghighchorus.org/uploads/1/3/1/4/131408415/jebup.pdf
- https://cdn.shopify.com/s/files/1/0431/1062/9532/files/navixepokexumu.pdf
- https://cdn.shopify.com/s/files/1/0432/0195/3952/files/44069708013.pdf
- https://cdn.shopify.com/s/files/1/0430/9948/8410/files/43924197623.pdf
- https://cdn.shopify.com/s/files/1/0433/3672/8735/files/take_back_the_night_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0434/6917/6985/files/aprenda_a_desenhar_linha_clara.pdf
- https://cdn.shopify.com/s/files/1/0429/7441/2949/files/9311376773.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/24375498268.pdf
- https://cdn.shopify.com/s/files/1/0430/8454/6209/files/59090516540.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/matam.pdf
- https://cdn.shopify.com/s/files/1/0432/0467/3699/files/97238727154.pdf
- https://cdn.shopify.com/s/files/1/0437/6789/0069/files/zunemipapajemowe.pdf
- https://cdn.shopify.com/s/files/1/0450/7333/4424/files/vline_train_timetable_ballarat.pdf
- https://cdn.shopify.com/s/files/1/0430/2720/2205/files/41149805913.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_off00006e10.binc56894dfb3843173fc8c7503ec70e7c7629d87167e75d2d6660a81c044c25707 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E10 | 5584 bytes |
font_01_sfnt_off000080b5.binc6e47b7dfdd932581a50c24f6f2a6aaafe9d755f0eccaebb8575eb3ef1043464 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80B5 | 13092 bytes |
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