MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link to 'ttraff.com', which is likely used to host malicious content or redirect to phishing sites. Additionally, a large number of embedded links to external PDFs were detected, suggesting an SEO link farm or a method to distribute further malicious payloads. The ML classifier also strongly indicated maliciousness.
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=%25C3%25A7engel+transferencia+de+calor+pdf
- http://tituzobo.sharimycek.com/uploads/1/3/1/3/131384260/83665d4.pdf
- http://kawube.chevron.ie/uploads/1/3/0/7/130776021/joduvu_vubumufixaf.pdf
- http://zaxurulug.khfreeman.com/uploads/1/3/0/7/130775732/5998641.pdf
- http://movap.stop-pressing-snooze.com/uploads/1/3/0/7/130739232/desuluwovaxov-mijujozadapawo.pdf
- http://nesegaxo.randymcmusic.com/uploads/1/3/1/6/131606069/1448390.pdf
- https://cdn.shopify.com/s/files/1/0431/5011/4967/files/16685398317.pdf
- https://cdn.shopify.com/s/files/1/0435/5463/5937/files/73473072012.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72619586694.pdf
- https://cdn.shopify.com/s/files/1/0437/4131/5223/files/93088482264.pdf
- https://cdn.shopify.com/s/files/1/0438/5603/5990/files/all_bearing_size.pdf
- https://cdn.shopify.com/s/files/1/0430/2051/7537/files/15368193004.pdf
- https://cdn.shopify.com/s/files/1/0434/2602/1527/files/basodopadiwine.pdf
- https://cdn.shopify.com/s/files/1/0432/5841/3216/files/sinusitis_kronik_adalah.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pufabupenidobuxix.pdf
- https://cdn.shopify.com/s/files/1/0429/4295/5676/files/adh_and_aldosterone_perform_opposite_functions.pdf
- https://cdn.shopify.com/s/files/1/0429/3525/5203/files/shrine_of_amana_map.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_off00004d29.bin73c453cce328da96000033b29192a86ad6e4e1596988bbc7fcaa7aada5b99d04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D29 | 5416 bytes |
font_01_sfnt_off00005f5d.binf78e2f2d24fb5c8d7db100409ba83f484c4cee7f7c0d840a88a78639afac90ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F5D | 13128 bytes |
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