MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external PDF files, indicating a link farm or SEO spamming attempt. One prominent URL, https://ttraff.cc/pify?keyword=easy+way+to+learn+english+grammar+tenses+pdf, is flagged as a malicious redirector. The document body, though partially corrupted, contains text related to English grammar and the authoring application, suggesting a lure to disguise the malicious intent. The ML classifier strongly indicates maliciousness.
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=easy+way+to+learn+english+grammar+tenses+pdf
- http://files.adrianayogi.com/uploads/1/3/0/8/130813614/mewitovaje.pdf
- http://files.grandjetedance.com/uploads/1/3/2/7/132712115/2201ac35cc.pdf
- http://files.alex-kwon.com/uploads/1/3/0/8/130814588/zuteso_xebesol_laruforutulaf_xilumivaxaxugon.pdf
- http://files.riceisfordinner.com/uploads/1/3/0/7/130738988/b74e5a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/3723/6119/files/biology_question_paper_for_class_11.pdf
- https://cdn.shopify.com/s/files/1/0433/6271/3754/files/tosuzixavogixekivoloro.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19227598733.pdf
- https://cdn.shopify.com/s/files/1/0432/6916/1110/files/emerson_coriolis_mass_flow_meter.pdf
- https://cdn.shopify.com/s/files/1/0437/5989/4689/files/namitozaronibutomojuwami.pdf
- https://cdn.shopify.com/s/files/1/0439/0017/4504/files/jiwipodatimamute.pdf
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/71265181740.pdf
- https://cdn.shopify.com/s/files/1/0430/5459/6250/files/tavabepupenenese.pdf
- https://cdn.shopify.com/s/files/1/0430/9411/4465/files/4264739000.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_off00006122.binfaf4615895e9b28b1d1ee80a05ee425af23e3bcdadd3e6f50c5d7afb07f86d4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6122 | 5608 bytes |
font_01_sfnt_off0000741f.binf48b19e243e61ff7ce97acd5065f55c2e83ce8224a45a3d40d8ac4d8be752680 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x741F | 10024 bytes |
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