MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, suggests a lure related to 'free business credit application form pdf'. The presence of a large number of external PDF links also indicates a link farm, likely for SEO manipulation or to host further malicious content. 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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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.com/wix?keyword=free+business+credit+application+form+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://static.usrfiles.com/ugd/19103d_0d0b2f3f70904fa48a25a542a682f1bd.pdf
- https://static.usrfiles.com/ugd/d162e3_b60a695f6c5a4e669ab43518d1033331.pdf
- https://static.usrfiles.com/ugd/d55797_a214dbfaa8784753b82fe1cfc24e11d3.pdf
- https://static.usrfiles.com/ugd/b8c837_6ff7f1d9d89e4e2789087cad1ca41012.pdf
- https://static.usrfiles.com/ugd/b8c837_ad74b0de7d444d92bd1906a93270d4a2.pdf
- https://cdn.shopify.com/s/files/1/0433/2702/9400/files/vidmate_for_iphone_uptodown.pdf
- https://cdn.shopify.com/s/files/1/0431/8127/7352/files/amazing_facts_about_earth.pdf
- https://cdn.shopify.com/s/files/1/0437/6304/0408/files/minority_scholarship_verification_form.pdf
- https://cdn.shopify.com/s/files/1/0435/6544/9371/files/65807357629.pdf
- https://cdn.shopify.com/s/files/1/0437/2935/4917/files/18187799553.pdf
- https://static.usrfiles.com/ugd/b8c837_d7be3290c59e42d39fbaece658f1d0a6.pdf
- https://static.usrfiles.com/ugd/6240f8_d6306b40df344b20ae130182e966a9da.pdf
- https://cdn.shopify.com/s/files/1/0433/9689/0785/files/1746465780.pdf
- https://cdn.shopify.com/s/files/1/0434/0314/9462/files/72207633611.pdf
- https://cdn.shopify.com/s/files/1/0429/3158/5180/files/best_free_tv_apps_for_android_uk.pdf
- https://cdn.shopify.com/s/files/1/0435/5588/1119/files/oxford_bookworms_library_stage_6_free.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007239.bine793f7e415872959bbc54101ff424345a5354c2699f0c002657ace0dff840657 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7239 | 5276 bytes |
font_01_sfnt_off00008402.bin4e96c444d2ef9466b08dd401d09670edcaac17af06423c7ea13c9caf895f1239 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8402 | 10224 bytes |
font_02_sfnt_off0000a6e1.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6E1 | 4324 bytes |
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