MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is identified as malicious due to its inclusion of a link to a known malicious redirector, ttraff.ru. The document body, though heavily obfuscated, contains text related to an 'equity research analyst job description' and numerous embedded URLs, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly flagged this PDF, indicating a high probability of malicious intent, likely to redirect users to malicious content or phishing sites.
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=equity+research+analyst+job+description+pdf
- http://files.dqnv.org/uploads/1/3/1/6/131606367/699701.pdf
- http://files.lindsaylibenwellness.com/uploads/1/3/0/8/130814043/pigomifewu.pdf
- http://files.uwualocal423.org/uploads/1/3/1/4/131406372/b203610bfd.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/1084/1000/files/xikakemenasakijiperaro.pdf
- https://cdn.shopify.com/s/files/1/0431/0564/8807/files/potijelim.pdf
- https://cdn.shopify.com/s/files/1/0434/1055/5041/files/65785165470.pdf
- https://cdn.shopify.com/s/files/1/0431/1656/0550/files/58256964561.pdf
- https://cdn.shopify.com/s/files/1/0434/3159/2088/files/33005470558.pdf
- https://cdn.shopify.com/s/files/1/0431/2855/3634/files/salajugikavafelewejojuwo.pdf
- https://cdn.shopify.com/s/files/1/0431/5732/3925/files/53459947634.pdf
- https://cdn.shopify.com/s/files/1/0435/7000/4126/files/lorixogar.pdf
- https://cdn.shopify.com/s/files/1/0435/3445/0840/files/77988112651.pdf
- https://cdn.shopify.com/s/files/1/0431/0482/9602/files/5169808763.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rerotapok.pdf
- https://cdn.shopify.com/s/files/1/0435/4323/2661/files/litakomofaliwugelabe.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_off0000639a.binb06b246051c94f54caa609d0ac6b686e1fdb67fb7e825fce56064a8d83fcf04e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x639A | 5644 bytes |
font_01_sfnt_off000076d7.bin6cdf2f600814c5a640c2a748c79222500367c99e37ee4a46f8a06a58fd80e4b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76D7 | 13160 bytes |
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