MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at `ttraff.ru`. This suggests a link farm or SEO poisoning tactic designed to lure users to malicious infrastructure. The document body, though heavily obfuscated, contains the URL `https://ttraff.ru/wb?keyword=how%20to%20deal%20with%20stress%20pdf`, reinforcing the lure. No scripts were extracted, but the presence of numerous links and the malicious redirector strongly indicate a phishing or redirection attack.
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=how%20to%20deal%20with%20stress%20pdf
- http://files.thelittleschoolproject.com/uploads/1/3/0/7/130775098/lupadakumepemux.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/7270/1095/files/miguzajorosusirupuf.pdf
- https://cdn.shopify.com/s/files/1/0429/6350/1222/files/fitukeg.pdf
- https://cdn.shopify.com/s/files/1/0439/4575/4792/files/95575644974.pdf
- https://cdn.shopify.com/s/files/1/0437/8905/8209/files/7108971432.pdf
- https://cdn.shopify.com/s/files/1/0433/7470/6853/files/jepalawojugewojotil.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pepefawabibuf.pdf
- https://cdn.shopify.com/s/files/1/0430/3113/4365/files/rewubawimezewufana.pdf
- https://cdn.shopify.com/s/files/1/0430/0275/7281/files/movatevetitoratili.pdf
- https://cdn.shopify.com/s/files/1/0430/6406/6209/files/zasukolut.pdf
- https://cdn.shopify.com/s/files/1/0431/3504/1693/files/68420369212.pdf
- https://cdn.shopify.com/s/files/1/0431/0505/8976/files/lizisefitelonuvulifogaxum.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_off00006a5d.bin10e7d6ffb8da1de2eec15430795ccdc1d459509d3377f3a0ceecc75dfd24b638 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A5D | 5180 bytes |
font_01_sfnt_off00007c02.bin55d14b356b5502a974d339190a0c477044be8b079cc5d6869ce169b2fce99d6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C02 | 9828 bytes |
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