MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. Another critical heuristic identifies this as a PDF SEO link farm, with many external PDF links. The ML classifier also strongly flagged this PDF as malicious. The primary malicious URL identified is a redirector designed to obscure the final destination.
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=plant+and+animal+cell+worksheets+for+middle+school+pdf
- http://files.moipu.com/uploads/1/3/1/8/131871553/zasisojowusejariril.pdf
- http://files.malcolm-morris.com/uploads/1/3/1/4/131438439/5196732.pdf
- http://files.practicalperspectives.com/uploads/1/3/0/8/130873893/a51c674.pdf
- http://files.echowynbordercollies.com/uploads/1/3/2/7/132740181/palivitapuvumu-vileb-mekog.pdf
- http://files.echowynbordercollies.com/
- https://cdn.shopify.com/s/files/1/0432/7908/9824/files/88651263018.pdf
- https://cdn.shopify.com/s/files/1/0432/4658/3976/files/kalamaridiwerumatela.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57355052908.pdf
- https://cdn.shopify.com/s/files/1/0430/0154/4863/files/gitiraj.pdf
- https://cdn.shopify.com/s/files/1/0431/6318/9405/files/92103719354.pdf
- https://cdn.shopify.com/s/files/1/0435/0246/9285/files/tukaguvanedisemakagoginij.pdf
- https://cdn.shopify.com/s/files/1/0430/7930/3317/files/divuserozolisuzerudunu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xazijejizamoketabuguta.pdf
- https://cdn.shopify.com/s/files/1/0435/1574/0312/files/89983136809.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76222514852.pdf
- https://cdn.shopify.com/s/files/1/0437/6559/6321/files/retunixudole.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gowavofopinesifaremoka.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_off000061dd.bin7a9f8062384f4458ed118d1e8a83087d965922faebf4657fcad51b87f3fb19f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61DD | 5340 bytes |
font_01_sfnt_off000073dd.bin6c95b43367e4b5842aba567ecfbaf9b5c30b5e3788bc8bfdf4ea3810cc431b0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73DD | 10312 bytes |
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