MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' indicate that the document is designed to lure users to potentially harmful sites. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be a deceptive link disguised within the document content.
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=funny+answers+to+how+are+you+feeling
- http://files.mrbsfinest.com/uploads/1/3/1/4/131453114/lizexapiz_jutusigabose_nosajisuviva_rapujodore.pdf
- http://files.kumarresearchgroup.com/uploads/1/3/1/3/131381078/f63275607.pdf
- http://files.stelmosfire.org/uploads/1/3/1/4/131408465/5633432.pdf
- https://cdn.shopify.com/s/files/1/0428/9947/2550/files/fukod.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3365514284.pdf
- https://cdn.shopify.com/s/files/1/0440/1148/7397/files/69832043426.pdf
- https://cdn.shopify.com/s/files/1/0428/5680/8607/files/vonaxabafonezun.pdf
- https://cdn.shopify.com/s/files/1/0433/4475/6901/files/lokor.pdf
- https://cdn.shopify.com/s/files/1/0433/4636/2523/files/6531036065.pdf
- https://cdn.shopify.com/s/files/1/0435/2707/8052/files/67585962977.pdf
- https://cdn.shopify.com/s/files/1/0427/9821/9420/files/sunuvurafegimavepupag.pdf
- https://cdn.shopify.com/s/files/1/0432/2639/8888/files/2408397105.pdf
- https://cdn.shopify.com/s/files/1/0432/8233/3856/files/nilokibesoxek.pdf
- https://cdn.shopify.com/s/files/1/0431/6073/1808/files/55879329354.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/
- https://cdn.shopify.com/s/files/1/0433/4475/6901/files
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080b3.bin1a9208a75244fd3136e6d5f24a7017488f079655e2c571623025df7569943f70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80B3 | 5060 bytes |
font_01_sfnt_off000091fb.binb177883fa9848bea5cc3ee4b654d814cfaa6eff22e38c48e3e11c687493105e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91FB | 10132 bytes |
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