MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link, identified by the critical PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=sample+of+a+report+writing+for+students, which is likely intended to lure the user to a malicious site. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, many pointing to benign Shopify URLs, likely as a camouflage or to inflate search engine rankings for malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification.
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.cc/pify?keyword=sample+of+a+report+writing+for+students
- http://files.westphaliarowhoa.com/uploads/1/3/2/6/132680796/7e4620d.pdf
- http://files.mossgardennursery.net/uploads/1/3/0/7/130739315/tajopap-tadapageti.pdf
- http://files.burghyart.com/uploads/1/3/1/8/131871772/vevelu.pdf
- http://files.berberlands.org/uploads/1/3/1/4/131437385/4916661.pdf
- https://cdn.shopify.com/s/files/1/0435/3730/1653/files/carbamates_pesticides.pdf
- https://cdn.shopify.com/s/files/1/0436/9917/5579/files/50038051435.pdf
- https://cdn.shopify.com/s/files/1/0436/9013/1609/files/faith_like_potatoes_angus_buchan_pdf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rewosegukedisupagur.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/febipak.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/83583068491.pdf
- https://cdn.shopify.com/s/files/1/0437/4423/1575/files/79493161608.pdf
- https://cdn.shopify.com/s/files/1/0427/4572/5094/files/vesanilofurodaduduvuwevun.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_off0000596b.bin3cb63b6c4e0028d57ad18dcd0d16a83745cd2448ced68065075e75bfbe92d54a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x596B | 5556 bytes |
font_01_sfnt_off00006c4a.binf5f7a8a86648e5c497ad39e7c4161527a0709efd0152fdf53509fe1c92ed2a29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C4A | 10180 bytes |
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