MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a document about healthy school nutrition. The document also hosts a large number of external PDF links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector URL confirms a likely phishing or redirection attempt.
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=alimenta%25C3%25A7%25C3%25A3o+escolar+saudavel+pdf
- http://files.darlfinne.com.au/uploads/1/3/1/4/131437775/ed94e629038.pdf
- http://files.literateinaminute.com/uploads/1/3/1/4/131483234/1172960.pdf
- http://xajisi.stjosephtrenton.com/uploads/1/3/1/4/131453850/6948005.pdf
- https://cdn.shopify.com/s/files/1/0432/2417/0664/files/metasinafavagebe.pdf
- https://cdn.shopify.com/s/files/1/0439/1046/3643/files/33842773641.pdf
- https://cdn.shopify.com/s/files/1/0433/0291/2158/files/gta_5_cheats_ps4_phone.pdf
- https://cdn.shopify.com/s/files/1/0432/3383/7219/files/greek_math_symbols.pdf
- https://cdn.shopify.com/s/files/1/0433/2313/0009/files/28520659512.pdf
- https://cdn.shopify.com/s/files/1/0432/6745/7188/files/470uf_16v_capacitor_datasheet.pdf
- https://cdn.shopify.com/s/files/1/0431/3628/6877/files/83848177211.pdf
- https://cdn.shopify.com/s/files/1/0435/2521/0263/files/jovuzepolifusenatelifo.pdf
- https://cdn.shopify.com/s/files/1/0435/2173/6859/files/business_communication_process_product_9th_edition.pdf
- https://cdn.shopify.com/s/files/1/0433/7647/6311/files/39064455177.pdf
- https://cdn.shopify.com/s/files/1/0438/0744/1053/files/data_science_from_scratch_2nd_edition_download.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_off00005ec3.bin94a6d099babd545f3f037d066c8cdfd40593e8cd01a059e8cd8a850545f090d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EC3 | 5852 bytes |
font_01_sfnt_off000071c5.bin6968e19e0da4c9f4814bda87e149a55d2465a4de4d9a6f752e03e4f42ff4715d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71C5 | 12004 bytes |
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