MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to a malicious URL, disguised as a crossword quiz answer. This is supported by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic and the embedded URL. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and a clear URL, suggesting an attempt to trick the user into clicking the malicious link.
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=crossword+quiz+answers+video+games+level+4
- http://files.jeffkirchoff.com/uploads/1/3/1/4/131437736/kanupopurapofanus.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9569/5265/files/dozozife.pdf
- https://cdn.shopify.com/s/files/1/0434/0993/2440/files/pemetatutixifazupewusi.pdf
- https://cdn.shopify.com/s/files/1/0428/9573/6988/files/roxunaboginixenepa.pdf
- https://cdn.shopify.com/s/files/1/0437/1103/7589/files/pegusogaxesirofoz.pdf
- https://cdn.shopify.com/s/files/1/0434/1094/8254/files/21808159010.pdf
- https://cdn.shopify.com/s/files/1/0441/3367/9256/files/zotiliborekadesifewenezef.pdf
- https://cdn.shopify.com/s/files/1/0430/6819/4965/files/26704474294.pdf
- https://cdn.shopify.com/s/files/1/0428/7981/1750/files/64667291573.pdf
- https://cdn.shopify.com/s/files/1/0435/8776/4387/files/91089435256.pdf
- https://cdn.shopify.com/s/files/1/0431/7118/4794/files/nunoxelinimalasosuk.pdf
- https://cdn.shopify.com/s/files/1/0431/4316/8156/files/povogaxavuno.pdf
- https://cdn.shopify.com/s/files/1/0435/1901/7124/files/37462728337.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068ea.bin0ab9a089b115525850bb9cbc7e9e1bc15c0e281a6349692c4565a4d394a8d37f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68EA | 5464 bytes |
font_01_sfnt_off00007b88.bin5bfa3959730164cf3c0168adb97c1e9538cfb5cf43a9c0ec2672791b047d47ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B88 | 10116 bytes |
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