MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a lure related to "American history 100 facts answers" and embeds multiple links. One of these links, https://ttraff.ru/pify?keyword=american+history+100+facts+answers, is identified as a known malicious redirector. The PDF also hosts a large number of links pointing to other PDFs, suggesting a link farm for SEO manipulation or to distribute further malicious content. The ML classifier strongly flagged this PDF as malicious.
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.ru/pify?keyword=american+history+100+facts+answers
- http://files.goodstuffbyshalonne.com/uploads/1/3/0/8/130874058/zuwok.pdf
- http://famibof.bywayfinearts.com/uploads/1/3/0/7/130738568/lifopozopukosiweze.pdf
- http://files.haranresources.com/uploads/1/3/1/0/131069893/5507500.pdf
- http://nedufib.reslifechurchaz.com/uploads/1/3/0/8/130874232/rerizoz-feroro-wefif.pdf
- https://cdn.shopify.com/s/files/1/0435/9825/0141/files/jepibipug.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66916333827.pdf
- https://cdn.shopify.com/s/files/1/0437/0635/1771/files/32631782305.pdf
- https://cdn.shopify.com/s/files/1/0440/4104/4118/files/berliner_platz_3_neu_glossar.pdf
- https://cdn.shopify.com/s/files/1/0433/9341/7367/files/jakilafumosikimi.pdf
- https://cdn.shopify.com/s/files/1/0429/9112/4643/files/nijumer.pdf
- https://cdn.shopify.com/s/files/1/0438/9113/0536/files/80978233479.pdf
- https://cdn.shopify.com/s/files/1/0438/4253/5581/files/44347136370.pdf
- https://cdn.shopify.com/s/files/1/0437/8184/9245/files/congratulations_wedding_banner_template.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_off00006ca4.bin4e6d8a75427bb2581c5a4f404674dc08da137ac419b2f202647234ec8b32f943 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CA4 | 5464 bytes |
font_01_sfnt_off00007f1a.bine0a3f3e2fe60460ff181162c580e42d200da7f1572c10eb6436a751a04dad7c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F1A | 9956 bytes |
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