MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains a large number of embedded links, many of which point to external PDF files, suggesting an SEO link farm or phishing attempt. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=jungbunzlauer+citric+acid+safety+data+sheet'. The document body, though partially corrupted, also contains this URL, reinforcing the malicious intent. The ML classifier also strongly flagged this PDF as malicious.
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.cc/pify?keyword=jungbunzlauer+citric+acid+safety+data+sheet
- http://files.tandemmom.com/uploads/1/3/0/7/130776518/6255870.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/8942/0695/files/auditoria_de_gestion_concepto.pdf
- https://cdn.shopify.com/s/files/1/0432/9222/9787/files/12th_class_chemistry_textbook.pdf
- https://cdn.shopify.com/s/files/1/0433/1136/6309/files/benag.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jidaxuno.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5280/files/jedutoderutowezawazusa.pdf
- https://cdn.shopify.com/s/files/1/0430/8582/4164/files/nitefijejapavuwexorudonug.pdf
- https://cdn.shopify.com/s/files/1/0437/7709/7886/files/belusojuragujer.pdf
- https://cdn.shopify.com/s/files/1/0431/4962/3462/files/jigid.pdf
- https://cdn.shopify.com/s/files/1/0435/5214/5560/files/kumuv.pdf
- https://cdn.shopify.com/s/files/1/0437/6828/3287/files/46249423699.pdf
- https://cdn.shopify.com/s/files/1/0432/4173/4307/files/ahmedabad_city_information.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_off00006166.bin5629dbf2a3cd18da1d7bf140329e0c73a3b0147951e7bc73246039b0be355461 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6166 | 5564 bytes |
font_01_sfnt_off00007450.bin26a75946210d3907575955db495964c63d4ccbc4ff29c469dc2e8d147844cdd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7450 | 10660 bytes |
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