MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure. This suggests a link farm or SEO poisoning tactic designed to lure users to malicious content. 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.ru/pify?keyword=eritema+fijo+toxico+pdf
- http://gukisuz.annemariewalter.eu/uploads/1/3/1/0/131070792/julizatur.pdf
- http://files.minjinkim.com/uploads/1/3/2/7/132740214/7029950.pdf
- http://files.alexiseclectic.com/uploads/1/3/1/4/131482941/78e0a2f.pdf
- http://files.penninewalling.co.uk/uploads/1/3/1/4/131407012/lirelakixojibij.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/0381/3781/files/nasumupoje.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/78753558398.pdf
- https://cdn.shopify.com/s/files/1/0427/5906/1670/files/kivoluwipixamuleketufu.pdf
- https://cdn.shopify.com/s/files/1/0430/2556/3799/files/79023286109.pdf
- https://cdn.shopify.com/s/files/1/0429/0910/6335/files/61273183393.pdf
- https://cdn.shopify.com/s/files/1/0430/0275/7281/files/medibiz.pdf
- https://cdn.shopify.com/s/files/1/0435/8343/9003/files/cercanias_barcelona_horarios.pdf
- https://cdn.shopify.com/s/files/1/0438/9833/9496/files/95506689901.pdf
- https://cdn.shopify.com/s/files/1/0432/5359/6310/files/jivuwujewekufulononobuw.pdf
- https://cdn.shopify.com/s/files/1/0432/5995/3312/files/76356357841.pdf
- https://cdn.shopify.com/s/files/1/0433/3400/8987/files/can_i_get_photoshop_for_free.pdf
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/murisax.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_off00005f97.bineaea385f26ca81a0bd21e077925678cd4389122d5581264a1aeec0a6a64ac2e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F97 | 5192 bytes |
font_01_sfnt_off00007139.bin7f0d6635944b3a02d2d27358a4b6db70fcac4d6df4c399148890e1d3f2398902 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7139 | 11112 bytes |
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