MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with one heuristic specifically identifying it as a 'PDF SEO Link Farm'. The primary malicious URL, 'https://ttraff.com/wix?keyword=libros+budistas+para+principiantes+p', is flagged as a known malicious redirector. 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.com/wix?keyword=libros+budistas+para+principiantes+p
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_1df06a60e2a0448bb8c8dd8cb523d366.pdf
- https://static.usrfiles.com/ugd/912de2_5c5043adde954e2d911b5ccbfa7e7d5c.pdf
- https://static.usrfiles.com/ugd/238140_f77351f8c1fc4e489a8fdb39d6b6cd13.pdf
- https://cdn.shopify.com/s/files/1/0431/4615/0039/files/24179997429.pdf
- https://cdn.shopify.com/s/files/1/0432/1991/0811/files/86164480123.pdf
- https://cdn.shopify.com/s/files/1/0457/4612/7004/files/dejek.pdf
- https://cdn.shopify.com/s/files/1/0445/3256/4132/files/ielts_academic_writing_samples_band_8.pdf
- https://cdn.shopify.com/s/files/1/0431/7682/0890/files/xekajugewamuzapun.pdf
- https://cdn.shopify.com/s/files/1/0432/6106/7428/files/wilobunorevudiwozejim.pdf
- https://cdn.shopify.com/s/files/1/0437/9652/9313/files/excel_and_succeed_biology_book_4.pdf
- https://cdn.shopify.com/s/files/1/0432/7197/9172/files/cambridge_english_empower_c1_teacher_s_book.pdf
- https://cdn.shopify.com/s/files/1/0436/1161/9491/files/alphabet_pictures_for_each_letter.pdf
- https://cdn.shopify.com/s/files/1/0431/8153/9483/files/fifufa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pajovi.pdf
- https://cdn.shopify.com/s/files/1/0434/0065/9100/files/fosafutevikibalu.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007036.bin816fdd0560df7ebb57ee3e199dd27a9259af81b374fc2f9b0767c64a74efdc3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7036 | 5116 bytes |
font_01_sfnt_off00008196.bind122133b545d370eaf5d4274f063c5b380c0ac7e3be87489a2edaa7983b52875 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8196 | 11184 bytes |
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