MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a large number of embedded links, many of which point to benign Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that leads to the malicious redirector, suggesting a lure to a phishing or scam page. The ML classifier strongly supports the malicious nature of this PDF.
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=optimizepress+checkout+page+template
- http://files.m-w-consulting.org/uploads/1/3/1/3/131381095/kifuwejadagef.pdf
- http://jarof.akchristiantraining.com/uploads/1/3/2/3/132303189/tunatekiwivel.pdf
- http://rudoj.cloquetjuniorsvolleyball.com/uploads/1/3/1/0/131071220/2001797.pdf
- http://files.global-migration-of-african-cuisine.com/uploads/1/3/2/6/132681880/6647935.pdf
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/minecraft_hour_of_code_level_12_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/0840/1306/files/49687588153.pdf
- https://cdn.shopify.com/s/files/1/0430/8900/2645/files/xidadigugovulivijej.pdf
- https://cdn.shopify.com/s/files/1/0436/5503/7093/files/69824192042.pdf
- https://cdn.shopify.com/s/files/1/0435/7586/9599/files/tagekesevefij.pdf
- https://cdn.shopify.com/s/files/1/0432/3957/1616/files/mozenadezoxofe.pdf
- https://cdn.shopify.com/s/files/1/0430/9309/8660/files/1302092800.pdf
- https://cdn.shopify.com/s/files/1/0434/2136/8482/files/tozolim.pdf
- https://cdn.shopify.com/s/files/1/0429/6730/2295/files/runiwim.pdf
- https://cdn.shopify.com/s/files/1/0440/5090/7286/files/zozejipuwinaregadiram.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_off000067c3.bin854ad1e90cd0a804ddff33a7415726c9abe4f660a421459488798feb4a777420 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67C3 | 5488 bytes |
font_01_sfnt_off00007a50.bineca213c581700a1f7f7c9e7b29f8b7a07181497d5a541efcc5bc0ffe0fd7dcba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A50 | 10588 bytes |
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