MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one identified as a malicious redirector. The ML classifier strongly indicates maliciousness. The document body appears to be obfuscated or corrupted, but the presence of a malicious redirector suggests an attempt to lure the user to a harmful site, likely for phishing or malware delivery.
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=zaitsev+rule+pdf
- http://files.manassehart.com/uploads/1/3/1/4/131409244/dubedusamowu-verikowiluzatol-silajijani-zowurusaxonigam.pdf
- http://files.newyorkthespians.org/uploads/1/3/1/8/131857544/rokawuxemuvatodabax.pdf
- http://files.tanooklings.com/uploads/1/3/0/8/130874030/nofujefiludonavog.pdf
- https://cdn.shopify.com/s/files/1/0429/7375/7603/files/kopivenura.pdf
- https://cdn.shopify.com/s/files/1/0433/2044/3045/files/18499541540.pdf
- https://cdn.shopify.com/s/files/1/0434/6455/6710/files/5925597229.pdf
- https://cdn.shopify.com/s/files/1/0431/1895/2612/files/18125764360.pdf
- https://cdn.shopify.com/s/files/1/0433/3689/2584/files/63391238692.pdf
- https://cdn.shopify.com/s/files/1/0431/1321/8199/files/semolusumawugadoboni.pdf
- https://cdn.shopify.com/s/files/1/0433/4839/4143/files/32296492059.pdf
- https://cdn.shopify.com/s/files/1/0435/0512/3493/files/87627399059.pdf
- https://cdn.shopify.com/s/files/1/0436/8374/1849/files/masigaxisu.pdf
- https://cdn.shopify.com/s/files/1/0433/6641/6534/files/soferevipavirirawitutota.pdf
- https://cdn.shopify.com/s/files/1/0431/8072/0294/files/38098561643.pdf
- https://cdn.shopify.com/s/files/1/0435/4883/6004/files/8361422679.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bewewolifokolugetu.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/
- https://cdn.shopify.com/s/files/1/0433/3689/2584/files/6339123869
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007696.bin302a606403b009a5a74b8c0fef817f4e14628981b36ce6b8d7c89fedfb2c3743 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7696 | 4716 bytes |
font_01_sfnt_off000086b3.binbda6eeb95f08390902532e1b9ded89265446dd4572b59bc9107ce5d90c02358f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86B3 | 9908 bytes |
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