MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=pcr+protocol+pdf'. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. The embedded URLs suggest a social engineering lure, likely aiming to trick the user into clicking the 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=pcr+protocol+pdf
- http://files.daniellemerceryoga.com/uploads/1/3/1/4/131453007/ropuwafisuvuwep_fevun_xetanovorir.pdf
- http://files.finalflightministry.com/uploads/1/3/1/3/131398194/1081916.pdf
- http://files.alizarothdmt.com/uploads/1/3/1/3/131379824/f0c6fbd.pdf
- https://cdn.shopify.com/s/files/1/0434/0459/1254/files/82178196359.pdf
- https://cdn.shopify.com/s/files/1/0436/3180/4574/files/samsung_bd-_j5700_manual.pdf
- https://cdn.shopify.com/s/files/1/0444/2020/2663/files/nufoje.pdf
- https://cdn.shopify.com/s/files/1/0427/6636/8935/files/88897425697.pdf
- https://cdn.shopify.com/s/files/1/0435/2278/5444/files/vumasetepadiretomosuzodox.pdf
- https://cdn.shopify.com/s/files/1/0430/4306/1913/files/kojefogojurebibiperazeb.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8853/files/your_wish_is_your_command.pdf
- https://cdn.shopify.com/s/files/1/0428/8918/3398/files/64107189226.pdf
- https://cdn.shopify.com/s/files/1/0434/8359/4917/files/45107527940.pdf
- https://cdn.shopify.com/s/files/1/0430/8749/5321/files/how_to_make_link_in_tkinter.pdf
- https://cdn.shopify.com/s/files/1/0436/0775/2861/files/kusozigevize.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44628440260.pdf
- https://cdn.shopify.com/s/files/1/0433/0160/1444/files/50102226821.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_off00007c36.bine205603c15b4b92ce2993f9c8faf29860ad974647b4d76d2048b4664891ba938 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C36 | 4764 bytes |
font_01_sfnt_off00008c74.bin7667a3b5b5d42086f08c61b8ce13c83489989e0441c56539fb19e8255f496b39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C74 | 14872 bytes |
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