MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass link farm, with a primary malicious redirector URL embedded in the document body. The ML classifier strongly indicated maliciousness. The document body text, though partially corrupted, contains the URL 'https://ttraff.ru/pify?keyword=chok+chok+holographic+sheet+mask', suggesting a lure to a product page that redirects to malicious content. The presence of numerous other PDF links further supports the link farm heuristic.
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=chok+chok+holographic+sheet+mask
- http://siwajor.projectechelon.org/uploads/1/3/2/8/132814930/wezuxokubazi_dotelup.pdf
- http://files.backyardboyslandscaping.com/uploads/1/3/2/7/132711999/4871641.pdf
- http://files.lavenderoomp.com/uploads/1/3/0/8/130873833/7fee560.pdf
- http://files.weldcountymeatgoats.com/uploads/1/3/1/4/131410685/zonaz_zazeko_beturo.pdf
- http://jojadipo.baregardenfarms.com/uploads/1/3/2/6/132682076/biwubejevefoga.pdf
- https://cdn.shopify.com/s/files/1/0431/7069/3282/files/22397959883.pdf
- https://cdn.shopify.com/s/files/1/0428/7194/7423/files/teamwork_in_business.pdf
- https://cdn.shopify.com/s/files/1/0433/3161/6923/files/calculation_of_mean_median_and_mode.pdf
- https://cdn.shopify.com/s/files/1/0444/1961/2839/files/piwapovurafevudaxufos.pdf
- https://cdn.shopify.com/s/files/1/0433/5425/9606/files/kesatafojadafusikiwopo.pdf
- https://cdn.shopify.com/s/files/1/0429/1775/7095/files/6758645900.pdf
- https://cdn.shopify.com/s/files/1/0449/9403/5880/files/14184459785.pdf
- https://cdn.shopify.com/s/files/1/0428/5395/7799/files/spanish_numbers_worksheet.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_off00004e89.bin5df4a74c838e5daa6392d6a5d8260551104a0adc9d619933ee7270012fdf8d24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E89 | 5316 bytes |
font_01_sfnt_off0000607a.binc734118f2768745bad5083c502ed2e1c00b1306be9cc3f7d1e72d17c0f783c5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x607A | 10212 bytes |
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