MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous embedded links, many pointing to redirector infrastructure, suggesting a phishing or SEO-based lure. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document attempts to trick the user into executing commands, likely to download and run a second-stage payload. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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=hackintosh+guide+catalina In PDF document text
- http://lidijavop.ronaldjavorbooks.com/uploads/1/3/0/8/130814328/juraxovazu-xenoborowolamu-dawizotadotowug.pdfIn PDF document text
- http://files.2019.taiwanpianofestival.com/uploads/1/3/1/4/131407571/doxev_vunenizefas.pdfIn PDF document text
- http://zamopuxeg.belmenphotography.com.au/uploads/1/3/1/4/131407089/rakizaganugapivuson.pdfIn PDF document text
- http://wedanubu.naturehillsfarm.com/uploads/1/3/1/4/131407995/2d2679ce9f1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4556/0226/files/fortinet_firewall_training_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1737/1797/files/nakifidaxubabanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8664/2338/files/95761327442.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8806/8254/files/bupufuwujotamavoma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6119/9526/files/contratos_de_alquiler_en_bolivia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6712/9504/files/3516714556.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2376/0536/files/89921680380.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8073/6165/files/8005084017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4146/2174/files/nisexuxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3812/9823/files/65434751725.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1703/4134/files/51107109741.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a22e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA22E | 5132 bytes |
SHA-256: 5571f56d6a3b3dd89ca520db849c52bef487210438a5720ff9e9c2e912ee0dbf |
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font_01_sfnt_off0000b389.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB389 | 2236 bytes |
SHA-256: 4673df62f83c90a4a8b175f4a29f68dd27e8b155ac9c6a456a294eea89c3893f |
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font_02_sfnt_off0000bdb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDB5 | 10212 bytes |
SHA-256: 95bbcc51eb824a48ae45563f98ebd676f48de1265a6dcf3f8975582057482ed1 |
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font_03_sfnt_off0000e0f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F6 | 16508 bytes |
SHA-256: 76c58d9dad2553210f58dd276edfbe5dbdf64153339314c97a5850829df6aff1 |
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