MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded URLs, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'certificate of conformity' and the malicious URL. The presence of a PDF link farm heuristic suggests an attempt to distribute malicious content or SEO poisoning. The ML classifier strongly flagged this PDF as malicious.
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=ce+certificate+of+conformity+example
- http://jarafewig.thattruthspoken.org/uploads/1/3/1/4/131437079/1737946.pdf
- http://files.mindls.com/uploads/1/3/0/9/130969440/moxakedebum.pdf
- https://cdn.shopify.com/s/files/1/0440/0742/4158/files/95330676298.pdf
- https://cdn.shopify.com/s/files/1/0432/3996/4834/files/cfr_title_21_part_110.pdf
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/xajozag.pdf
- https://cdn.shopify.com/s/files/1/0428/4976/3487/files/gorewanenubomo.pdf
- https://cdn.shopify.com/s/files/1/0447/1295/1961/files/little_wonders_rob_thomas.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jokesinoximirupabujikupoj.pdf
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/ethical_hacking_tutorial_point_free.pdf
- https://cdn.shopify.com/s/files/1/0429/9259/9193/files/siruwet.pdf
- https://cdn.shopify.com/s/files/1/0431/1754/3585/files/84327737605.pdf
- https://cdn.shopify.com/s/files/1/0432/6778/4864/files/moguvofazezofameduxujuk.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_off00006764.bin4fb71248c8fdb5589c4dd1050efb9f60bb58782ccefedccb0f578c0f6028870e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6764 | 5060 bytes |
font_01_sfnt_off00007887.bin15a4bcbb6e8fde52af4d39fd56990ce7daf7f064e30dd53b4b56ba86689319ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7887 | 14072 bytes |
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