MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector infrastructure, suggesting an attempt to lead the user to malicious content. The document body, though heavily obfuscated, contains the URL that triggers the redirector, disguised as a programming example. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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=java+programming+array+example+pdf
- http://files.themslist.com/uploads/1/3/1/8/131871814/nuzikemazumupi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/5993/7434/files/sufavekutu.pdf
- https://cdn.shopify.com/s/files/1/0432/4635/4592/files/favikotarogepuvef.pdf
- https://cdn.shopify.com/s/files/1/0434/0717/9941/files/76893758958.pdf
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/zibofuregoza.pdf
- https://cdn.shopify.com/s/files/1/0430/6318/1463/files/tozatofom.pdf
- https://cdn.shopify.com/s/files/1/0427/9749/8535/files/99068265105.pdf
- https://cdn.shopify.com/s/files/1/0431/6948/0866/files/23533437006.pdf
- https://cdn.shopify.com/s/files/1/0436/0224/7838/files/molomu.pdf
- https://cdn.shopify.com/s/files/1/0428/1679/8883/files/32167276854.pdf
- https://cdn.shopify.com/s/files/1/0429/2686/6599/files/70911168257.pdf
- https://cdn.shopify.com/s/files/1/0436/1201/2701/files/fixubimowovubase.pdf
- https://cdn.shopify.com/s/files/1/0435/7803/2296/files/sepsis_fisiopatologia_2020.pdf
- https://cdn.shopify.com/s/files/1/0439/1400/2587/files/bumolefo.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_off00007a8f.bin70d0a885eccc79e8268f44db7e903f501f7ec1793b3f9d96f6d576a85059c59a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A8F | 5400 bytes |
font_01_sfnt_off00008ce6.bin63c80a5e2ba88b590f4ec65f691812c7a1227ddd5d15e0b92d538236031b0e8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CE6 | 10380 bytes |
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