MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded URLs, with a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=basic+computer+engineering+notes+pdf'. Another critical heuristic indicates a PDF link farm, suggesting a large number of outbound links, many of which are to benign Shopify URLs. The ML classifier strongly flags this PDF as malicious. The document body, though heavily obfuscated, contains references to the redirector URL and a benign Shopify URL, reinforcing the lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=basic+computer+engineering+notes+pdf
- http://files.kdvp.org/uploads/1/3/1/4/131437246/ribozananaj-pikoxorudokiv-jajigez.pdf
- http://files.baliholistic.com/uploads/1/3/1/4/131437636/dexepu-somojir-dufenor-gugederaxuzab.pdf
- http://files.woodbridgecommunitychoir.org/uploads/1/3/1/6/131636808/mizodu-dasigebade-sasaxosa.pdf
- http://files.sudburyjournalclub.com/uploads/1/3/1/4/131411147/8616608.pdf
- http://files.northcoastcounseling.com/uploads/1/3/1/4/131453299/545744084e80d8.pdf
- https://cdn.shopify.com/s/files/1/0430/6511/4775/files/7603001362.pdf
- https://cdn.shopify.com/s/files/1/0430/4207/8877/files/72547423825.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/jevenugurupogobotinapimu.pdf
- https://cdn.shopify.com/s/files/1/0432/9222/9797/files/gifts_ideas_for_christmas_2015.pdf
- https://cdn.shopify.com/s/files/1/0435/7623/0046/files/nedex.pdf
- https://cdn.shopify.com/s/files/1/0430/3188/8021/files/baditomefolino.pdf
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/88083259512.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nisexabidubukov.pdf
- https://cdn.shopify.com/s/files/1/0431/6689/2186/files/66122355599.pdf
- https://cdn.shopify.com/s/files/1/0433/7709/8910/files/34754207718.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51025654711.pdf
- https://cdn.shopify.com/s/files/1/0429/4855/9004/files/xavudijisilamutazure.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_off0000a419.bin69a72287f8f190a614d489085ce02ea04a867677ed2b2dcddd136fe6acc336f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA419 | 5492 bytes |
font_01_sfnt_off0000b6ae.bin9ba7a3232c7f1d2e440efc399e342b7c9efc0333280eac1809f0846bce7f604b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6AE | 11020 bytes |
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