MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, and one critical link to a known malicious redirector. This indicates a link farm or redirection attack designed to lead users to malicious content. The ML classifier strongly supports the malicious verdict.
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=arriba+6th+edition+student+activities+manual+pdf
- http://files.scatteredsacred.com/uploads/1/3/1/3/131383426/9218559.pdf
- http://files.campervangoodies.co.uk/uploads/1/3/1/3/131383747/jiwejoluxe.pdf
- http://files.swaptimeusa.com/uploads/1/3/0/7/130739982/190651.pdf
- http://files.chromosome3andme.com/uploads/1/3/1/4/131454355/watabijexupo-jagaxepefuj-pezubewajo.pdf
- http://files.forgingdreams.com.au/uploads/1/3/2/6/132681452/8c847e5d648dc.pdf
- https://cdn.shopify.com/s/files/1/0433/4970/4854/files/98716934324.pdf
- https://cdn.shopify.com/s/files/1/0434/1891/0870/files/waxazujomifiwu.pdf
- https://cdn.shopify.com/s/files/1/0432/2535/0306/files/75453597588.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5561128363.pdf
- https://cdn.shopify.com/s/files/1/0431/6623/6834/files/61222878476.pdf
- https://cdn.shopify.com/s/files/1/0428/9350/8771/files/94636810993.pdf
- https://cdn.shopify.com/s/files/1/0429/5681/6540/files/77150684981.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/9284441163.pdf?v=1594212706
- https://cdn.shopify.com/s/files/1/0429/2060/7900/files/29556257880.pdf
- https://cdn.shopify.com/s/files/1/0431/3926/8774/files/67621244790.pdf
- https://cdn.shopify.com/s/files/1/0434/5462/7993/files/nifunixifudevovax.pdf
- https://cdn.shopify.com/s/files/1/0428/9826/0124/files/bunav.pdf
- https://cdn.shopify.com/s/files/1/0437/7519/7346/files/11786087355.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_off00004edc.bin6801b12ab175f71c41050960aee8ec820e9fc7b5ff68b68485e4ab831b38ec74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EDC | 5736 bytes |
font_01_sfnt_off0000623a.bince0543f14436eff9a8550d2ce9a0f4ca92b44f778909403fa54d462f06ee6353 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x623A | 10256 bytes |
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