MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains numerous embedded links, with one identified as a malicious redirector. This suggests the document's primary purpose is to lure users into clicking the malicious link, likely leading to a phishing page or malware download. The ML classifier also strongly indicated maliciousness.
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=fundamentos+de+administra%25C3%25A7%25C3%25A3o+p%25C3%25BAblica+brasileira+torres+pdf
- http://files.cjsteele.com/uploads/1/3/1/4/131411688/wudelirisaloguvegoku.pdf
- http://files.paxcon.org/uploads/1/3/1/6/131636665/8173576.pdf
- http://files.joannevonzwehl.com/uploads/1/3/0/7/130739654/besigutuketu_furixivutax_fodizibasujo_maseverezasobu.pdf
- http://files.mytutoringgroup.com/uploads/1/3/1/3/131380741/d66d269af15.pdf
- http://files.abandonedbutnotforgotten.net/uploads/1/3/1/0/131070602/liwotawavurozora.pdf
- https://cdn.shopify.com/s/files/1/0431/5480/0796/files/catio_spaces.pdf
- https://cdn.shopify.com/s/files/1/0432/0293/6992/files/bhagwat_puran_in_sanskrit.pdf
- https://cdn.shopify.com/s/files/1/0432/3459/0878/files/binomial_theorem_problems.pdf
- https://cdn.shopify.com/s/files/1/0431/7849/2072/files/bengali_cooking_book.pdf
- https://cdn.shopify.com/s/files/1/0434/4525/6352/files/pubivurebuvubif.pdf
- https://cdn.shopify.com/s/files/1/0430/5181/0969/files/rozagexop.pdf
- https://cdn.shopify.com/s/files/1/0430/7383/1073/files/95782261698.pdf
- https://cdn.shopify.com/s/files/1/0433/0238/7867/files/kuxabejinodoneke.pdf
- https://cdn.shopify.com/s/files/1/0433/5065/5129/files/95654714806.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jakenetukuzalavat.pdf
- https://cdn.shopify.com/s/files/1/0429/7667/3946/files/laser_printer_vinyl_sticker_sheets.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_off00005c95.binf613ba0f338d2541c4da176aa061abc5d4d7fd463422bc2516f507f0bcd72a04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C95 | 6012 bytes |
font_01_sfnt_off00006fd7.bin81c92855ac792846e0019c431486952a1a8d5be8ad2a82c3d9fb65e4deeb6d2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FD7 | 13972 bytes |
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