MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, directing users to 'https://ttraff.ru/pify?keyword=worksheets+for+kindergarten+pattern+writing'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with a significant portion pointing to Shopify domains. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains the same malicious URL, suggesting a lure to external 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.ru/pify?keyword=worksheets+for+kindergarten+pattern+writing
- http://lutetefe.bexbourne.co.uk/uploads/1/3/2/7/132712237/f1bde4233dda491.pdf
- https://cdn.shopify.com/s/files/1/0431/0161/8327/files/mogenutixat.pdf
- https://cdn.shopify.com/s/files/1/0437/9607/0560/files/25998466101.pdf
- https://cdn.shopify.com/s/files/1/0434/4178/2950/files/6184792333.pdf
- https://cdn.shopify.com/s/files/1/0435/2393/2311/files/padajosepuwo.pdf
- https://cdn.shopify.com/s/files/1/0444/3848/7206/files/sony_bdps_350.pdf
- https://cdn.shopify.com/s/files/1/0434/0708/1622/files/string_to_int_c.pdf
- https://cdn.shopify.com/s/files/1/0434/6534/3133/files/fibujeru.pdf
- https://cdn.shopify.com/s/files/1/0438/6727/5424/files/77266699720.pdf
- https://cdn.shopify.com/s/files/1/0437/2358/7736/files/tenabepafofir.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ferenap.pdf
- https://cdn.shopify.com/s/files/1/0431/2884/8538/files/xutulatozekar.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_off00005b08.bin0492955cbf1342f5eba02dcae03b68ca7106379cd873b882aeaa1e0fac7b7471 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B08 | 5440 bytes |
font_01_sfnt_off00006da4.bin7b23555e27dac770e060e9d46060d319e16da1e93bb17436bd7555deba46816f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DA4 | 10400 bytes |
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