MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one heuristic specifically identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting a lure related to 'Pulse secure latest version' and includes the malicious URL. The presence of a large number of external PDF links also indicates a link farm, likely for SEO manipulation or distributing further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=pulse+secure+latest+version
- http://files.cottondownsouth.com/uploads/1/3/1/4/131437593/68f5e82128.pdf
- http://mawawu.hayley-newman.com/uploads/1/3/1/4/131406749/d572cf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/9770/2046/files/36504655638.pdf
- https://cdn.shopify.com/s/files/1/0433/6350/0197/files/gfebs_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/3450/1535/files/gozatuwezaronajulogipi.pdf
- https://cdn.shopify.com/s/files/1/0429/4960/7590/files/73374685995.pdf
- https://cdn.shopify.com/s/files/1/0427/6997/3415/files/13370231706.pdf
- https://cdn.shopify.com/s/files/1/0435/6790/6979/files/58806095057.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/13652925252.pdf
- https://cdn.shopify.com/s/files/1/0432/6385/2712/files/guxakofufujefifum.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_off000052b2.bina7662256613f612832cceb646c8c32ae4923173147aec449012e41fa227a4f4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52B2 | 4856 bytes |
font_01_sfnt_off0000633f.bin74a1d684e079b2fad4bf1f06887b8b82fc0cd8255f07408b1e24425e43969bde |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x633F | 9968 bytes |
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