MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of embedded links, many pointing to Shopify domains, but also includes a critical link to a known malicious redirector at `https://ttraff.ru/wb?keyword=mastering%20algorithms%20in%20c%20pdf`. This indicates a likely SEO spam or phishing campaign aiming to redirect users to malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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/wb?keyword=mastering%20algorithms%20in%20c%20pdf
- http://gimidaf.chang4japan.org/uploads/1/3/1/4/131437792/navaremusevizut_jemivulufasu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/6044/5855/files/levenoxixuforojaxewujaj.pdf
- https://cdn.shopify.com/s/files/1/0432/3603/2680/files/74560607783.pdf
- https://cdn.shopify.com/s/files/1/0437/3348/3674/files/annuity_basics.pdf
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/varefejawowin.pdf
- https://cdn.shopify.com/s/files/1/0437/0120/7193/files/ccna_security_exam_topics.pdf
- https://cdn.shopify.com/s/files/1/0428/2528/5791/files/99350243196.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/budexojimomamuzarumedi.pdf
- https://cdn.shopify.com/s/files/1/0437/7578/7157/files/32671886040.pdf
- https://cdn.shopify.com/s/files/1/0429/1585/6550/files/dilixizevipewebal.pdf
- https://cdn.shopify.com/s/files/1/0443/8127/4278/files/binary_multiplication_examples.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000056f5.binc59a3d19e9538694979511cd63f84485569a512d7fbc23c40d99e63de1fc42b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56F5 | 5572 bytes |
font_01_sfnt_off000069b8.bin8f9d93f9661d58e8ffb4d9ae9734b87ce1b20b2d9c7ad35d475de183932216a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69B8 | 9896 bytes |
font_02_sfnt_off00008be1.bin19d0894bf2a0a209c2bc6c27d26cb982d75e8fd8761870186466eed69c5254ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BE1 | 16920 bytes |
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