MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The embedded URL `https://ttraff.cc/pify?keyword=handwriting+worksheets+year+5+australia` is a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to the same URLs, suggesting a coordinated effort to drive traffic to potentially harmful sites.
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.cc/pify?keyword=handwriting+worksheets+year+5+australia
- http://tipozene.montanaaussiedoodles.com/uploads/1/3/2/7/132710712/wewiwaneritupi.pdf
- https://cdn.shopify.com/s/files/1/0439/2812/5595/files/63515879805.pdf
- https://cdn.shopify.com/s/files/1/0437/4275/7029/files/anbe_sivam_tamil_movie_hd_free.pdf
- https://cdn.shopify.com/s/files/1/0432/2282/7165/files/32447825161.pdf
- https://cdn.shopify.com/s/files/1/0428/9868/6111/files/70643215014.pdf
- https://cdn.shopify.com/s/files/1/0431/2976/6039/files/xejazuliwudaraviw.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3809/files/gizifu.pdf
- https://cdn.shopify.com/s/files/1/0431/3242/0264/files/57199930119.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76957488457.pdf
- https://cdn.shopify.com/s/files/1/0432/6113/2968/files/nefikadisoto.pdf
- https://cdn.shopify.com/s/files/1/0432/8646/2628/files/states_of_matter_quiz_grade_3.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_off0000450b.binb41da5ce3732094b72dc7e547c909d388e49a224540caa7075fcd43e5f42bcc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x450B | 5428 bytes |
font_01_sfnt_off0000578e.bin975fa45b471ebe71d91de2a6599daad3a4caaff996045f6f7688936b57df23e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x578E | 9284 bytes |
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