MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. This suggests a link farm or SEO poisoning tactic to drive traffic to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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=buy+foamed+pvc+sheets
- http://raziwejo.katemcculloughwaterart.com/uploads/1/3/0/7/130775818/5311396.pdf
- http://nuvaluj.tobibeck.com/uploads/1/3/2/6/132695569/6772666.pdf
- http://files.jaytaylor.store/uploads/1/3/1/4/131407423/5928647.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/7205/2643/files/fititimebuponumalokuz.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/hallelujah_viola_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0440/8383/9128/files/metejeluniwenurasa.pdf
- https://cdn.shopify.com/s/files/1/0433/3345/1926/files/62940029427.pdf
- https://cdn.shopify.com/s/files/1/0438/8909/8907/files/pitasijewemepidiv.pdf
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/kuzavilanumavaromofutefat.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pinabazebovo.pdf
- https://cdn.shopify.com/s/files/1/0435/4539/5368/files/88681215955.pdf
- https://cdn.shopify.com/s/files/1/0430/0531/3177/files/77278797598.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_off00005415.binb9eefee50cc2f6a8cfe51b8528039c269063945f5c431b67a18a5dedf3fe96fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5415 | 5480 bytes |
font_01_sfnt_off000066b1.bin78e85cf8cffd03abfe16a9bdaed29677c96086613da66e11a8ea0a2a0537ceaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66B1 | 10216 bytes |
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