MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a large number of embedded links, with a critical heuristic firing for a PDF redirector link to 'ttraff.com'. The document body, though heavily obfuscated, suggests a lure related to educational content ('Bodmas fractions worksheet'). The presence of numerous links, many pointing to Shopify domains but also to various unknown domains, indicates a likely attempt to manipulate search engine results or redirect users to malicious sites. The ML classifier also 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.com/pify?keyword=bodmas+fractions+worksheet
- http://files.realestatepract.com/uploads/1/3/1/4/131408250/4576249.pdf
- http://files.skylinemediacast.com/uploads/1/3/0/9/130969206/7a3965fc9affed7.pdf
- http://files.classicaltocontemporary.com/uploads/1/3/0/7/130738794/c47b6336ae.pdf
- http://files.christhomasguitar.com/uploads/1/3/0/8/130813063/danekitul-jewejuda-mogegoxabomit-rozos.pdf
- https://cdn.shopify.com/s/files/1/0427/8029/5334/files/zimademirisubexo.pdf
- https://cdn.shopify.com/s/files/1/0428/9350/8771/files/18877031548.pdf
- https://cdn.shopify.com/s/files/1/0428/9894/8255/files/wikavineruzomozokitexan.pdf
- https://cdn.shopify.com/s/files/1/0430/5059/8562/files/gigukomobekafalorulorun.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lezoxaxus.pdf
- https://cdn.shopify.com/s/files/1/0432/0726/2367/files/86059217825.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61053474184.pdf
- https://cdn.shopify.com/s/files/1/0430/7940/1634/files/lamapijupokugedu.pdf
- https://cdn.shopify.com/s/files/1/0432/6280/4136/files/vaviwovupedojotuzin.pdf
- https://cdn.shopify.com/s/files/1/0440/6607/8870/files/52766493443.pdf
- https://cdn.shopify.com/s/files/1/0428/9832/5663/files/86029416170.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_off00008d8e.bin7c6a24228d53285f90b65a51b4a1dd1e8d3c7a4719787045112d31928c1aa74e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D8E | 5224 bytes |
font_01_sfnt_off00009f30.bin3754db9ed0dbf34c5bef30b923b74d7fbc368823869b9dff84f55da4ff360062 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F30 | 14188 bytes |
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