MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though heavily obfuscated, also contains this URL and other Shopify URLs, suggesting a lure to download content. The ML classifier strongly flagged this PDF as malicious. The primary attack vector appears to be a social engineering lure to trick users into clicking the malicious link.
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=bangla+english+grammar+book+pdf+free+download
- http://files.teamfloridahoops.com/uploads/1/3/2/6/132681426/sodipegogodubitiwaje.pdf
- http://files.escaperoomelectronics.com/uploads/1/3/1/6/131606807/bumexupa.pdf
- http://files.kingclassictournament.com/uploads/1/3/2/7/132710704/fazar-tirurutojobuza-jatujuzoxis-nesopi.pdf
- http://files.mohawks.net/uploads/1/3/1/8/131857304/fowimekulurodu-wafatipidamu.pdf
- https://cdn.shopify.com/s/files/1/0431/4926/3004/files/komizifebiperi.pdf
- https://cdn.shopify.com/s/files/1/0432/7168/4252/files/tuxizadivowugosefapa.pdf
- https://cdn.shopify.com/s/files/1/0430/7959/8229/files/adobe_photoshop_trial.pdf
- https://cdn.shopify.com/s/files/1/0433/1339/7924/files/command_line_arguments_python.pdf
- https://cdn.shopify.com/s/files/1/0437/8161/9861/files/tovajopapilunaxenukeluxef.pdf
- https://cdn.shopify.com/s/files/1/0434/7373/1741/files/55207292852.pdf
- https://cdn.shopify.com/s/files/1/0440/1342/0702/files/tisotedudutipeg.pdf
- https://cdn.shopify.com/s/files/1/0440/6899/5224/files/gofunibalapin.pdf
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/93761869430.pdf
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/mekugifigoferipovul.pdf
- https://cdn.shopify.com/s/files/1/0436/6322/9078/files/wadesatexekusawutop.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_off00006754.bin43ee80da0c3bfc6b4c28c3bfad01b3a7d60c71aa9b44fe141dc33b739b108445 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6754 | 5800 bytes |
font_01_sfnt_off00007af4.bin2bb2ed71333c05cc752bac0908dc9938ee06fec8cddb245824d89fd2afdd1b8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AF4 | 9880 bytes |
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