MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link that points to a link farm, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create PDF documents from web content. The presence of numerous embedded URLs, including a critical PDF_MALICIOUS_REDIRECTOR_LINK firing, strongly suggests the intent is to redirect users to malicious infrastructure.
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=comparative+anatomy+of+kidney+in+vertebrates+pdf
- http://files.dorabramden.com/uploads/1/3/1/4/131406060/retadurudevu.pdf
- http://files.floraindianadepot.org/uploads/1/3/2/3/132303028/gujumozanizo.pdf
- http://files.sellsla.net/uploads/1/3/0/8/130873839/6813515.pdf
- http://files.sellsla.net/uplo
- https://cdn.shopify.com/s/files/1/0435/8891/1267/files/mozuzikazasawamowugex.pdf
- https://cdn.shopify.com/s/files/1/0430/6527/8625/files/jafotibedexagosazurawan.pdf
- https://cdn.shopify.com/s/files/1/0433/7431/3622/files/sezexiluvuxeti.pdf
- https://cdn.shopify.com/s/files/1/0434/2012/3285/files/44973696772.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80463449019.pdf
- https://cdn.shopify.com/s/files/1/0428/2079/6583/files/limezeko.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1587610690.pdf
- https://cdn.shopify.com/s/files/1/0430/9703/0805/files/pawugavubovavanos.pdf
- https://cdn.shopify.com/s/files/1/0430/0875/3827/files/5290605462.pdf
- https://cdn.shopify.com/s/files/1/0429/6074/8695/files/dukuvutopulisiwewadedop.pdf
- https://cdn.shopify.com/s/files/1/0435/8920/6174/files/52008671707.pdf
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/8733631133.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_off00007e0a.binfd4f65a8b6a570c1639c44414499804928d119d77f5cfa9ca7bab15a4b77485d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E0A | 5332 bytes |
font_01_sfnt_off00009018.bina886c3dd3577e44faa1f3876e5b761e2fec47cb7fa9a3fad5ffbac26548236e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9018 | 9992 bytes |
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