MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link leads to a link farm, suggesting a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the redirector URL.
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=nationalism+in+europe+class+10+notes+pdf+download
- http://sadowab.riveraservices.org/uploads/1/3/1/4/131453284/8041327.pdf
- http://files.sperohopellc.com/uploads/1/3/2/7/132712358/47fc9.pdf
- http://files.canberraarchaeologicalsociety.com.au/uploads/1/3/1/4/131438784/kopumebelu.pdf
- http://nisiz.senoritacinema.com/uploads/1/3/1/4/131437792/2184391.pdf
- https://cdn.shopify.com/s/files/1/0428/1024/5279/files/dell_ownership_transfer.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/benubojebexoreloruva.pdf
- https://cdn.shopify.com/s/files/1/0428/4583/1335/files/utorrent_64_bit.pdf
- https://cdn.shopify.com/s/files/1/0430/1576/6177/files/45167033483.pdf
- https://cdn.shopify.com/s/files/1/0432/9334/3912/files/rukanezawe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/46946939033.pdf
- https://cdn.shopify.com/s/files/1/0428/8774/1607/files/aprender_a_aprender.pdf
- https://cdn.shopify.com/s/files/1/0430/9614/6074/files/mipurera.pdf
- https://cdn.shopify.com/s/files/1/0435/1868/9432/files/97_kia_sportage.pdf
- https://cdn.shopify.com/s/files/1/0428/7243/8947/files/wugogaforefa.pdf
- https://cdn.shopify.com/s/files/1/0429/9610/5375/files/xerapegovu.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_off000063dd.bin5508308714cffe4194a3d53b556b542a3b593bb9112f15c63e6abb6868d0ed8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63DD | 5556 bytes |
font_01_sfnt_off000076c5.bin90f624fb21cb6b19fd162af267b590a5bdeb5d5b35feaf8bdc2820ead65d0d7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76C5 | 9980 bytes |
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