MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, 'https://ttraff.cc/pify?keyword=oxidative+phosphorylation+steps+pdf', is identified as a malicious redirector. The document also features a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.
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=oxidative+phosphorylation+steps+pdf
- http://zitijini.senbukankarate.com/uploads/1/3/1/4/131483337/welabos.pdf
- http://files.adjoaoseipsyd.com/uploads/1/3/1/1/131164425/bepisix.pdf
- http://files.oceaneyessupply.com/uploads/1/3/1/4/131437724/66b9928.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9803/8679/files/89821614756.pdf
- https://cdn.shopify.com/s/files/1/0433/4970/4854/files/26642147023.pdf
- https://cdn.shopify.com/s/files/1/0434/1691/2037/files/jofiba.pdf
- https://cdn.shopify.com/s/files/1/0430/0718/0954/files/zesuvelefebepopa.pdf
- https://cdn.shopify.com/s/files/1/0432/0762/2824/files/notedukobegutiwik.pdf
- https://cdn.shopify.com/s/files/1/0427/6443/5612/files/87974677163.pdf
- https://cdn.shopify.com/s/files/1/0433/7536/2198/files/refozuwemez.pdf
- https://cdn.shopify.com/s/files/1/0428/6231/3631/files/giralimigorijo.pdf
- https://cdn.shopify.com/s/files/1/0434/9231/1206/files/85589592866.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vitalifurefafimeribedewo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/6338597663.pdf
- https://cdn.shopify.com/s/files/1/0433/3407/4523/files/54013690172.pdf
- https://cdn.shopify.com/s/files/1/0430/4984/4890/files/sulul.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_off0000bdec.binfb02bb4b377bafb4d0a353a0d1fe104137b02dbbd3da84439de5ddfbbaac41d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDEC | 5384 bytes |
font_01_sfnt_off0000d045.binad666d8307977ee3656022333a4ad9b0499c1f8e3658536107fb6b243113ee67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD045 | 14832 bytes |
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