MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains text that appears to be a lure for a 'color street catalog pdf'. The presence of a malicious redirector suggests the intent is to lead the user to a malicious site, likely for phishing or to download further malware. 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.ru/pify?keyword=color+street+catalog+pdf
- http://files.informixcommunity.com/uploads/1/3/1/8/131871727/sibakina-padugagaja.pdf
- http://mitus.naydacollazollorens.com/uploads/1/3/0/7/130776265/kuwanofa_jebovajasidu_fererunelutuv.pdf
- http://files.womensvaad.com/uploads/1/3/1/4/131438280/dagedetenixu.pdf
- https://cdn.shopify.com/s/files/1/0437/2037/6474/files/20703175920.pdf
- https://cdn.shopify.com/s/files/1/0432/7908/9824/files/43793955478.pdf
- https://cdn.shopify.com/s/files/1/0437/9138/4736/files/xoxatoxuvu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/92702877098.pdf
- https://cdn.shopify.com/s/files/1/0434/2880/6806/files/99419732347.pdf
- https://cdn.shopify.com/s/files/1/0434/2136/8482/files/xokumixilusutiw.pdf
- https://cdn.shopify.com/s/files/1/0436/2846/2233/files/css_reset_style.pdf
- https://cdn.shopify.com/s/files/1/0431/7904/9121/files/76869545292.pdf
- https://cdn.shopify.com/s/files/1/0432/3144/5149/files/stealin_uriah_heep.pdf
- https://cdn.shopify.com/s/files/1/0435/3071/5288/files/58352438299.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemulubu.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_off00006c58.bin31d87147044c6110c72c28091789842c0ff75941f46ac4cf14fe3b01bf029112 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C58 | 5228 bytes |
font_01_sfnt_off00007e2d.bind4321b6e8ef9d3fb15d71bfe9a19c619b88e8c09223c33ab4a9359a0925cfdaf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E2D | 9916 bytes |
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