MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a mass external link farm, with a primary link pointing to a known malicious redirector infrastructure at `ttraff.com`. The document body, though heavily obfuscated, contains the URL `https://ttraff.com/pify?keyword=grammar+test+pdf+tenses`, suggesting a phishing lure. The ML classifier strongly flagged this PDF as malicious, supporting the observed 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.com/pify?keyword=grammar+test+pdf+tenses
- http://files.entreprenorth.ca/uploads/1/3/0/7/130739059/jikedinu.pdf
- http://files.gunmanualsonline.com/uploads/1/3/2/6/132681304/eadfa402.pdf
- http://zineja.cristianimmagini.com/uploads/1/3/1/4/131407558/6418352.pdf
- http://files.linqforum.com/uploads/1/3/2/7/132712325/6b7ae2404d.pdf
- http://files.native-beef.co.uk/uploads/1/3/1/8/131856195/34bcfb8a960be.pdf
- https://cdn.shopify.com/s/files/1/0435/8694/5187/files/nerapowazu.pdf
- https://cdn.shopify.com/s/files/1/0433/1778/8830/files/wlos_school_closings.pdf
- https://cdn.shopify.com/s/files/1/0432/5516/9179/files/73104085651.pdf
- https://cdn.shopify.com/s/files/1/0436/3006/7865/files/72640299798.pdf
- https://cdn.shopify.com/s/files/1/0430/4293/0842/files/kidajipunuduzisiro.pdf
- https://cdn.shopify.com/s/files/1/0428/9101/8396/files/wevikodosunaroberoxumiro.pdf
- https://cdn.shopify.com/s/files/1/0430/8421/8532/files/jeretusimidonur.pdf
- https://cdn.shopify.com/s/files/1/0432/9930/7673/files/fomorifofewavow.pdf
- https://cdn.shopify.com/s/files/1/0428/6893/2767/files/marovi.pdf
- https://cdn.shopify.com/s/files/1/0439/0662/9784/files/87990662771.pdf
- https://cdn.shopify.com/s/files/1/0430/5007/4269/files/social_psychology_8th_edition.pdf
- https://cdn.shopify.com/s/files/1/0440/7122/3446/files/naxudeziwogugujumuf.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_off000070cd.bin2ba33dfc8a2dbc7bc8edc18b4d30c4380a0163bba97b3b08ddd58f5d1f63628c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70CD | 5184 bytes |
font_01_sfnt_off0000825a.bin776a9ed0442b51970debba400eeb3e23600b50c03de4fe307320bbf24cfc2b78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x825A | 10624 bytes |
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