MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous links to external resources, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to manipulate search engine results and direct users to malicious sites. The ML classifier strongly supports the malicious nature of this PDF.
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=4+digit+subtraction+without+regrouping+worksheets+pdf
- http://files.foosie.store/uploads/1/3/0/9/130969654/sokusudekagajuxinimo.pdf
- http://files.neverweatherband.com/uploads/1/3/1/6/131606901/696534.pdf
- http://kifusab.the76erfiles.com/uploads/1/3/1/6/131606617/tipuvaxejotodev.pdf
- http://files.weddingdanceworldwide.com/uploads/1/3/0/8/130873895/fuzosuxewadufi.pdf
- http://lasovo.harmonizeyourhealth.info/uploads/1/3/2/6/132696323/35a062b4bd69ce.pdf
- https://cdn.shopify.com/s/files/1/0432/0365/7887/files/70676787975.pdf
- https://cdn.shopify.com/s/files/1/0429/2925/8649/files/pikima.pdf
- https://cdn.shopify.com/s/files/1/0429/3984/2719/files/fimofuvuxozetuzizoziz.pdf
- https://cdn.shopify.com/s/files/1/0432/4848/4507/files/16206114013.pdf
- https://cdn.shopify.com/s/files/1/0434/1560/1314/files/61005779899.pdf
- https://cdn.shopify.com/s/files/1/0429/7487/1711/files/adobe_cs5._5_master_collection.pdf
- https://cdn.shopify.com/s/files/1/0434/1678/0956/files/3d_max_design_tutorials.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_off00005abb.binc789c4a7f086be5550cfb8cdb791983f157bd4685a0e555a980b651bdc74b305 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ABB | 5676 bytes |
font_01_sfnt_off00006e15.bin0e9aa3217458d6f001fe92fe5896f5eb1bc8ae2755dedd31a367b800ac4bc35f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E15 | 9960 bytes |
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