MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a heuristic firing for linking to known malicious redirector infrastructure, specifically the URL https://ttraff.cc/wix?keyword=resignation+letter+in+bangla+font. The document body, though heavily obfuscated, contains this URL and other benign-looking PDF links, suggesting a link farm or redirection tactic. The ML classifier also strongly flagged this PDF as malicious. The primary attack pattern involves luring the user to click 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/wix?keyword=resignation+letter+in+bangla+font
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_bd304fa80b284c0da156ffa63fbaaa78.pdf
- https://static.usrfiles.com/ugd/b8c837_52db3154e7c3442d9f3b20996c601b15.pdf
- https://static.usrfiles.com/ugd/b8c837_ce34b69915f945f9996a0bdff8cedec7.pdf
- https://static.usrfiles.com/ugd/b8c837_ce25419a61c74557bba30b2c99e307f3.pdf
- https://cdn.shopify.com/s/files/1/0430/7949/9940/files/zerul.pdf
- https://cdn.shopify.com/s/files/1/0430/2091/0746/files/96571586847.pdf
- https://cdn.shopify.com/s/files/1/0462/6762/9730/files/zeloboxepigewajamup.pdf
- https://static.usrfiles.com/ugd/b8c837_affe1b30498c467f87c4f69187cf9570.pdf
- https://static.usrfiles.com/ugd/b8c837_dd2eee70ff68435f8f69e24793e08da0.pdf
- https://static.usrfiles.com/ugd/b8c837_150f3557ebb9460486fd6a6afa461a1e.pdf
- https://static.usrfiles.com/ugd/b8c837_3d3eb8c9cf294477bd1a2e232c109eff.pdf
- https://static.usrfiles.com/ugd/b8c837_f5f0b8d127c7440aa11bdf2ae9256a3a.pdf
- https://static.usrfiles.com/ugd/b8c837_ca8b31c9d3a34512a3594702ac7bedb0.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_off000070b9.bine75cfdd2898192f5461a9a16c41b6b49db35c86359f9c8354a134ba1e491ada5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70B9 | 5080 bytes |
font_01_sfnt_off00008211.binf8a93f5458c5c20b4447d550f20fe6b57e3d6c667fe38dea8b6edd2e59117394 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8211 | 10236 bytes |
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