MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector at `ttraff.cc`. The document body, though heavily obfuscated, contains the URL `https://ttraff.cc/pify?keyword=atresia+duodenal+pdf`, indicating an attempt to lure the user to malicious infrastructure. The ML classifier strongly supports the malicious verdict.
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=atresia+duodenal+pdf
- http://xijepeg.annadangerfield.com/uploads/1/3/0/8/130814328/4583242.pdf
- http://files.gregstensonwriter.com/uploads/1/3/1/3/131383953/fomoka.pdf
- http://files.moveeasychiropractic.ca/uploads/1/3/1/3/131379803/jinizodowesezokafira.pdf
- http://files.sarahrileyceramics.com/uploads/1/3/2/8/132814250/wopida.pdf
- http://gajopol.anetagrygarova.com/uploads/1/3/1/3/131383657/46efd3fca.pdf
- https://cdn.shopify.com/s/files/1/0450/2913/0404/files/dejuvosuwefi.pdf
- https://cdn.shopify.com/s/files/1/0455/3284/0101/files/natosetimomebufisujon.pdf
- https://cdn.shopify.com/s/files/1/0432/5857/7046/files/rogudamodo.pdf
- https://cdn.shopify.com/s/files/1/0436/3298/4222/files/59943877680.pdf
- https://cdn.shopify.com/s/files/1/0436/8970/5625/files/87478889576.pdf
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/nadenep.pdf
- https://cdn.shopify.com/s/files/1/0428/6044/5855/files/34023555858.pdf
- https://cdn.shopify.com/s/files/1/0428/5782/4419/files/adobe_illustrator_free_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0439/8333/9678/files/algorithms_sanjoy_dasgupta_solutions.pdf
- https://cdn.shopify.com/s/files/1/0430/6187/0743/files/kolupesake.pdf
- https://cdn.shopify.com/s/files/1/0428/8380/9439/files/zemiwog.pdf
- https://cdn.shopify.com/s/files/1/0428/1024/5279/files/jawubos.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_off0000743c.bin63e9f8f748e92bf8ab0a9ae02a26a552d32caaebb949a521e28222cba8bb3669 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x743C | 5024 bytes |
font_01_sfnt_off0000855f.binede797c3edeea23366ed8a077fbce6f5dec59e9d77781d6331413f99132f073b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x855F | 13140 bytes |
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