MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to attract traffic and potentially distribute malware or phish users. The presence of a malicious redirector URL is the primary indicator of malicious intent.
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.com/pify?keyword=bd+diesel+performance+products
- http://files.homesofhopeforvida.org/uploads/1/3/1/3/131380845/susovuzuzesaj.pdf
- http://files.nextjeninspections.com/uploads/1/3/1/8/131871699/mejogu.pdf
- http://files.imarsonline.com/uploads/1/3/1/3/131380413/6c76ebc2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/6249/3345/files/lasosavidofonoxikagubo.pdf
- https://cdn.shopify.com/s/files/1/0429/1674/1286/files/zuxipilobexatito.pdf
- https://cdn.shopify.com/s/files/1/0428/6581/9814/files/42079800962.pdf
- https://cdn.shopify.com/s/files/1/0438/5649/4757/files/zelidid.pdf
- https://cdn.shopify.com/s/files/1/0434/5243/2537/files/irritable_bowel_syndrome_guidelines_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/4670906974.pdf
- https://cdn.shopify.com/s/files/1/0430/8900/2650/files/gerukatoduwubevifeval.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/69696378660.pdf
- https://cdn.shopify.com/s/files/1/0435/8150/5695/files/2823125474.pdf
- https://cdn.shopify.com/s/files/1/0430/0265/8979/files/active_passive_present_simple_past_simple_exercises.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_off00005cb9.bine9230d8fdd62bac77cde16ac563dc37663ebc07d5d6912c898b201267cb77361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CB9 | 5348 bytes |
font_01_sfnt_off00006ecf.binddf0b9d2bb05eb9b332f998bcab6b4db57aa0c58431c073acdd87b8c462b5dd4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ECF | 10228 bytes |
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