MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a known malicious redirector, ttraff.com, which is designed to lure users to malicious content. The document body, though partially corrupted, contains text related to mathematical worksheets and the malicious URL, suggesting a lure to disguise the malicious intent. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm or SEO poisoning tactic to distribute the malicious content.
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=finding+circumference+diameter+and+radius+worksheets
- http://files.bakersfield-signs.com/uploads/1/3/0/9/130969967/2158686.pdf
- https://cdn.shopify.com/s/files/1/0440/8174/1976/files/maxiwuvejenamadanol.pdf
- https://cdn.shopify.com/s/files/1/0431/5774/9917/files/wifimosamozisodupikodef.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lafiku.pdf
- https://cdn.shopify.com/s/files/1/0430/9050/9973/files/jevazejajudedijaponelosal.pdf
- https://cdn.shopify.com/s/files/1/0430/0632/8995/files/gazedo.pdf
- https://cdn.shopify.com/s/files/1/0433/9639/9269/files/tozixolawenesa.pdf
- https://cdn.shopify.com/s/files/1/0433/4924/6110/files/tipos_de_graficos.pdf
- https://cdn.shopify.com/s/files/1/0431/6869/4432/files/22361802661.pdf
- https://cdn.shopify.com/s/files/1/0433/7578/8184/files/23976784131.pdf
- https://cdn.shopify.com/s/files/1/0434/4145/5254/files/3559649608.pdf
- https://cdn.shopify.com/s/files/1/0432/1063/7476/files/zoxuwetilesumurevoj.pdf
- https://cdn.shopify.com/s/files/1/0437/1356/0727/files/bozotogubekagozim.pdf
- https://cdn.shopify.com/s/files/1/0430/9476/9821/files/lepogafavofaze.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_off00004868.bin6e99769b7ca8b5395cc642422b2b282207e84b1157ab8ffdb5ba4aa3b783f21d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4868 | 5512 bytes |
font_01_sfnt_off00005b0b.bin544ca8a8dfc01043efe60072a9e31731259253be4b7d04f914d6d2e6332a63ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B0B | 9600 bytes |
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