MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.cc, which is a strong indicator of malicious intent. The document body, though heavily obfuscated, contains the same URL and appears to be generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. The presence of numerous external PDF links, many pointing to benign Shopify URLs, suggests a link farm or SEO poisoning attempt to mask the malicious redirector.
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=adnan+syed+stephanie
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/1266/1152/files/av_fistula_complications.pdf
- https://cdn.shopify.com/s/files/1/0431/5778/2694/files/definicion_motores_de_bsqueda_en_informatica.pdf
- https://cdn.shopify.com/s/files/1/0429/7549/4300/files/shona_alphabet_with_pictures.pdf
- https://cdn.shopify.com/s/files/1/0437/5543/8241/files/21773417050.pdf
- https://cdn.shopify.com/s/files/1/0435/4329/8207/files/x._org_edgers_ppa.pdf
- https://static.usrfiles.com/ugd/b8c837_e94f57d61c3541f8854750fa62ef537a.pdf
- https://cdn.shopify.com/s/files/1/0428/6152/7206/files/atlas_anatomy_sobotta.pdf
- https://cdn.shopify.com/s/files/1/0440/1122/5246/files/1039986819.pdf
- https://cdn.shopify.com/s/files/1/0434/3712/9895/files/curriculum_vitae_format_for_nurses.pdf
- https://static.usrfiles.com/ugd/b8c837_eb337cc5f30340fc93be43de54c95934.pdf
- https://static.usrfiles.com/ugd/b8c837_86d9ae27a821481aa156e7006b923e4a.pdf
- https://static.usrfiles.com/ugd/6f7357_c5b9fdfda48b4b5eafdf978e4cd3c3a2.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_off000086b8.bine7fdbe73a51fc56ea743cb3a8fb4e3b0e6e479a21e7406b362d15b8f8184fcac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86B8 | 5012 bytes |
font_01_sfnt_off000097c6.bin4eaafcd9b2494411b6bbd4cbd28902dc2e6d9e6b9e7f5ded919d0e399f2dddfb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97C6 | 10204 bytes |
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