MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a specific malicious redirector URL, indicating an attempt to lead the user to a potentially harmful site. The document body, though obfuscated, contains the text 'Yelp fact or fiction sheet' and the malicious URL, suggesting a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.me/wix?keyword=yelp+fact+or+fiction+sheet
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8264/5665/files/losevavedutagekovi.pdf
- https://cdn.shopify.com/s/files/1/0436/0237/8915/files/95665425314.pdf
- https://cdn.shopify.com/s/files/1/0430/8307/1642/files/vifafusesigig.pdf
- https://static.usrfiles.com/ugd/1b8612_ce7f4f32d1e0467e8246a49987672107.pdf
- https://static.usrfiles.com/ugd/b8c837_b3ac721f6209430e97512b755d429ab6.pdf
- https://static.usrfiles.com/ugd/16a96a_dcbf40ce6dba4221860624a6bfee0061.pdf
- https://static.usrfiles.com/ugd/b8c837_b72dee6326534a7fa73e2601425d7c25.pdf
- https://static.usrfiles.com/ugd/e3834b_890ec416af504440aae2e662fe372652.pdf
- https://cdn.shopify.com/s/files/1/0431/1420/1241/files/67316945770.pdf
- https://cdn.shopify.com/s/files/1/0435/3730/1653/files/88426315493.pdf
- https://cdn.shopify.com/s/files/1/0435/3074/8055/files/pubajugizojunasexixole.pdf
- https://cdn.shopify.com/s/files/1/0434/8667/5109/files/flow_cytometry.pdf
- https://cdn.shopify.com/s/files/1/0436/5176/0281/files/fotolia_answer_4_letters_144.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_off0000792a.binda26fd8d68d1dcd7a5da6d1318c43f96d4adb4519fad98b1c9b3b616629c57ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x792A | 5064 bytes |
font_01_sfnt_off00008a61.bina99eb850b2550903a1f87981eee68722e01a872832c49f9e84e90ecf597aafec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A61 | 10640 bytes |
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