MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including one to a known malicious redirector at `ttraff.com`. The document body, though heavily obfuscated, contains the text 'Biodegradation ppt pdf' and the malicious URL, suggesting a lure to disguise the malicious intent. The presence of numerous links to Shopify-hosted PDFs indicates a link farm strategy to improve search engine ranking and distribute malicious 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.com/pify?keyword=biodegradation+ppt+pdf
- http://zizag.octobermoon.shop/uploads/1/3/1/8/131871740/zesipirurixixorute.pdf
- http://files.thebridgeriohondo.org/uploads/1/3/1/3/131379792/sosajigafi.pdf
- http://garuzot.mermaid-consultants.com/uploads/1/3/2/7/132712358/xavaxuti.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/ruremijotasegubudide.pdf
- https://cdn.shopify.com/s/files/1/0446/8919/5161/files/sequoia_national_park_trail_map.pdf
- https://cdn.shopify.com/s/files/1/0434/9103/3250/files/dagugupex.pdf
- https://cdn.shopify.com/s/files/1/0430/3912/9751/files/boolean_algebra_simplification.pdf
- https://cdn.shopify.com/s/files/1/0431/8353/8333/files/40362377502.pdf
- https://cdn.shopify.com/s/files/1/0431/2632/5402/files/kegoneravawagapuvefet.pdf
- https://cdn.shopify.com/s/files/1/0432/1987/8048/files/country_code_66.pdf
- https://cdn.shopify.com/s/files/1/0435/3549/9418/files/65526792375.pdf
- https://cdn.shopify.com/s/files/1/0432/4796/0232/files/bounce_pro_trampoline_manual.pdf
- https://cdn.shopify.com/s/files/1/0436/0830/9923/files/loriguserudegusukasakaja.pdf
- https://cdn.shopify.com/s/files/1/0432/3993/2064/files/97526677975.pdf
- https://cdn.shopify.com/s/files/1/0432/3957/1611/files/39418881958.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vixegenosevisime.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b40d.bincab71231512757f499d78ba73c537e4013f4525d8855dbeace63cdd6cf171783 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB40D | 5048 bytes |
font_01_sfnt_off0000c551.bin9527f5257e2a0fd0c9e05a48a577f697a92c75a43d0799c5922ec1072de8c037 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC551 | 10632 bytes |
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