MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a redirector to malicious infrastructure, disguised as a Deloitte case study. The ML classifier strongly indicated maliciousness. The embedded links are designed to lead users to potentially harmful content, likely for phishing or malware distribution.
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/wb?keyword=deloitte%20case%20study%20pdf
- http://files.zamdevelopsj.org/uploads/1/3/1/1/131164534/7449164.pdf
- http://files.voodooandburntrubber.com/uploads/1/3/1/4/131453449/2927465.pdf
- http://files.londonlivefitness.com/uploads/1/3/0/9/130969514/doruwu.pdf
- http://files.coxevolab.org/uploads/1/3/1/3/131380733/b435077a189.pdf
- http://files.matchmypartytheme.com/uploads/1/3/0/7/130775651/rujezela_jawabar.pdf
- http://files.propelexcel.co.uk/uploads/1/3/0/8/130813558/8841008.pdf
- http://files.dingogirl.com/uploads/1/3/1/4/131406614/vanusaz.pdf
- http://files.thelaptopblogger.com/uploads/1/3/0/8/130813782/jusok.pdf
- https://tazoraso.files.wordpress.com/2020/07/37102986056.pdf
- https://faxonitu.files.wordpress.com/2020/06/94189820852.pdf
- https://wesobitid.files.wordpress.com/2020/06/patozizenin.pdf
- https://cdn.shopify.com/s/files/1/0432/3019/9966/files/28899417639.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34456372212.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58097506778.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/liwisubusamepumiv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45366335679.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_off00006c62.bince02805bd3069d07307a38a664b834722ef6bf4d27c7eeb50b03564bbbb4dc3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C62 | 4932 bytes |
font_01_sfnt_off00007d43.binae7cb79b0205e12eb740526e225170bde5c580b23851634af506fa9373f6fa3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D43 | 10064 bytes |
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