MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lead users to further malicious content. The document also includes a large number of links to other PDFs, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector is a high-confidence indicator.
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/pify?keyword=school+subjects+word+search+pdf
- http://bakoli.housingnearihop.com/uploads/1/3/1/6/131607163/kexovasowipogilibu.pdf
- http://files.store.wabashfriendscounseling.com/uploads/1/3/0/7/130775853/76ea162.pdf
- http://files.seashellsandlemons.com/uploads/1/3/0/8/130814390/vudaneb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/2756/0598/files/medical_english_words.pdf
- https://cdn.shopify.com/s/files/1/0434/1504/4252/files/fizefegelidakijel.pdf
- https://cdn.shopify.com/s/files/1/0429/6127/2983/files/biochemical_engineering_and_biotechnology_najafpour.pdf
- https://cdn.shopify.com/s/files/1/0435/7862/2115/files/35768383879.pdf
- https://cdn.shopify.com/s/files/1/0431/8042/5370/files/98482542527.pdf
- https://cdn.shopify.com/s/files/1/0429/5540/7519/files/microbiologia_veterinaria_libros.pdf
- https://cdn.shopify.com/s/files/1/0431/3523/8301/files/kopiwomukopopujigazugi.pdf
- https://cdn.shopify.com/s/files/1/0430/2890/6138/files/mopemezevefezejenudo.pdf
- https://cdn.shopify.com/s/files/1/0428/8688/9625/files/kandungan_gizi_belimbing_wuluh.pdf
- https://cdn.shopify.com/s/files/1/0436/7895/7718/files/49046904911.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_off0000467e.bin61509a5defd98c43da83e1981117cc7cf407403fd2c3ab11f27ec34ab3784b29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x467E | 5656 bytes |
font_01_sfnt_off000059c9.binba25ff43834f56aba9cf674c9286d5df4e41002d06b60256be56d763ca9de481 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59C9 | 9616 bytes |
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