MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector at 'ttraff.cc'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=misplaced+modifiers+exercises+pdf', suggesting a lure to a malicious site. The presence of multiple embedded links, some pointing to benign Shopify URLs, indicates a link farm strategy, likely to obscure the malicious destination and potentially for SEO manipulation. The ML classifier also strongly flagged this PDF as malicious.
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=misplaced+modifiers+exercises+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0457/6680/3622/files/iready_answers_level_g_summarizing_informational_text.pdf
- https://cdn.shopify.com/s/files/1/0431/7957/3408/files/download_biochemistry_dictionary.pdf
- https://cdn.shopify.com/s/files/1/0429/5337/5897/files/fowuxok.pdf
- https://cdn.shopify.com/s/files/1/0431/5624/2589/files/60717295536.pdf
- https://cdn.shopify.com/s/files/1/0430/0419/9075/files/banking_awareness_by_arihant_experts.pdf
- https://cdn.shopify.com/s/files/1/0434/0128/1703/files/new_hepatitis_c_testing_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0432/1283/2932/files/pass_hack_facebook.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8864/files/rewozumepasevovubezosogux.pdf
- https://cdn.shopify.com/s/files/1/0429/3555/0118/files/upsc_blank_answer_sheet_pdf_download.pdf
- https://cdn.shopify.com/s/files/1/0434/6976/6808/files/lotugure.pdf
- https://static.usrfiles.com/ugd/432b07_55d4e3402ed648248778ac77add54e98.pdf
- https://static.usrfiles.com/ugd/b8c837_b82d6f5d1dbb47118c68a5ff1168ab42.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_off00006aa2.bin75ed623cfe3df72488817c8eb4cb2be8572fc1a84f08e22f43e45b9a0c049b7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AA2 | 5376 bytes |
font_01_sfnt_off00007ce1.bindf6905bd2200053b52a04af5263578557b83b6a04c1a587c5057d532f4bcf1f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CE1 | 10796 bytes |
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