MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one prominent link leading to a redirector. The embedded URL and the document body text both point to a lure related to a 'teas v study manual'. The ML classifier strongly indicates maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a link to known 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=teas+v+study+manual
- http://files.kokonfections.com/uploads/1/3/0/8/130813906/7f05e6330c4.pdf
- http://files.harlesdencommunityhub.com/uploads/1/3/1/6/131606533/rozezoruveji.pdf
- http://files.abrisinfo.net/uploads/1/3/1/4/131453267/tupos.pdf
- http://files.arcanagardens.com/uploads/1/3/1/4/131407734/e2f3a87.pdf
- http://files.dailybeautyfood.com/uploads/1/3/0/7/130775522/ragip.pdf
- https://cdn.shopify.com/s/files/1/0431/2177/0656/files/pojakoruz.pdf
- https://cdn.shopify.com/s/files/1/0438/1832/0034/files/3097581202.pdf
- https://cdn.shopify.com/s/files/1/0437/7945/7175/files/87460006643.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31052941417.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tukesameb.pdf
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/tukisajuxoxufowodipoduj.pdf
- https://cdn.shopify.com/s/files/1/0438/0629/4176/files/53607161300.pdf
- https://cdn.shopify.com/s/files/1/0428/8043/4342/files/3590062782.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20785775646.pdf
- https://cdn.shopify.com/s/files/1/0432/4248/7972/files/jefegugamereroziminim.pdf
- https://cdn.shopify.com/s/files/1/0432/5123/7022/files/3482874006.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5676577217.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_off000181d3.binde95ee1fec4f27317e44b4894a5a2a4532ffccf3b7a178a22abd261afb3b86a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x181D3 | 4984 bytes |
font_01_sfnt_off000192c3.bind67220c94543b6781dc41704df465cc8a496c180fc438554328b3b024e6c69c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x192C3 | 10620 bytes |
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