MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'answer to all math problems' and includes the malicious URL. The PDF_SEO_LINK_FARM heuristic also indicates the presence of numerous external links, suggesting a broader campaign to distribute malicious content.
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.link/pify?keyword=answer+to+all+math+problems
- http://files.bluenosewoodworks.com/uploads/1/3/2/8/132815961/somokirolurujewikusi.pdf
- http://files.jaramilyn.com/uploads/1/3/1/4/131437005/jixorozuge-wukekijodulavuj-sifetojadug-vonesupakinalel.pdf
- http://files.francislewisenglish.com/uploads/1/3/1/8/131856917/maruxegoweko.pdf
- https://static.usrfiles.com/ugd/451a43_bd8e02a2b69841798162b30f1d00f663.pdf
- https://static.usrfiles.com/ugd/22bf55_87560e2944f14226a918e12a18a7f8b1.pdf
- https://static.usrfiles.com/ugd/b8c837_eef65faab57c451da30947b4172d077f.pdf
- https://cdn.shopify.com/s/files/1/0431/6430/3516/files/88016809691.pdf
- https://cdn.shopify.com/s/files/1/0440/7423/8102/files/81047224961.pdf
- https://static.usrfiles.com/ugd/1c8c6c_9c5234e77ee34b4ea40f0f4f36b520b8.pdf
- https://static.usrfiles.com/ugd/40b9e6_aa977192b5d5468bb2ee81c6bf433885.pdf
- https://static.usrfiles.com/ugd/f09a9d_3924a539a7a5436aa53d9e2ce09f0f37.pdf
- https://static.usrfiles.com/ugd/66c878_81b308ecb3864d9f82431b66cc7ecb1e.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000512b.bin2c1c3e11700de74eb1ca9625c712a0b5b7ce3c75d355bd87e82a2771ed2c2e56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x512B | 5020 bytes |
font_01_sfnt_off0000620f.bin000597a554babdf34c7b7a45c9adbca3ca7805b849ded090bf85cef51c670ae1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x620F | 9632 bytes |
font_02_sfnt_off000082d6.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82D6 | 4324 bytes |
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