MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, disguised as an 'uninstall microsoft teams' prompt. This redirector likely leads to further malicious content or phishing pages. The PDF also contains a large number of links to other PDFs hosted on Shopify, suggesting a link farm or SEO poisoning attempt. 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=uninstall+microsoft+teams
- http://files.kairosskate.com/uploads/1/3/1/6/131637149/medutetenajinaluru.pdf
- http://files.wanderingmusicians.com/uploads/1/3/0/8/130874305/zumotegejibasilarula.pdf
- http://files.bgxcouriers.com/uploads/1/3/2/3/132302993/7287613.pdf
- https://cdn.shopify.com/s/files/1/0429/8611/1137/files/65764685528.pdf
- https://cdn.shopify.com/s/files/1/0437/3633/4501/files/jutopuwitogawu.pdf
- https://cdn.shopify.com/s/files/1/0432/3858/8584/files/lozoxeduzoxab.pdf
- https://cdn.shopify.com/s/files/1/0432/6660/5211/files/bipajowapone.pdf
- https://cdn.shopify.com/s/files/1/0429/9204/2137/files/51810238145.pdf
- https://cdn.shopify.com/s/files/1/0431/5663/5816/files/77146313655.pdf
- https://cdn.shopify.com/s/files/1/0435/4303/6053/files/noberepijagatujesorob.pdf
- https://cdn.shopify.com/s/files/1/0436/0683/5358/files/19262395814.pdf
- https://cdn.shopify.com/s/files/1/0430/4617/4877/files/kunazafelurijititela.pdf
- https://cdn.shopify.com/s/files/1/0427/5961/8716/files/widakoniwimotij.pdf
- https://cdn.shopify.com/s/files/1/0430/4253/7629/files/91818494835.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_off00006096.bin6081509e1d2ad76bd7a66d3ef78c563a75cb1820b9f33c1b15bed61076ae6d55 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6096 | 5016 bytes |
font_01_sfnt_off00007191.binf68a7ce51622da28d7e55359126eeea8801dd9edfc5d850f7d19607b46b99422 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7191 | 9872 bytes |
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