MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a significant number of embedded links. One of these links, 'https://ttraff.cc/pify?keyword=catalizador+concepto+pdf', points to a known malicious redirector. The document body itself is heavily obfuscated but contains references to the same malicious URL and benign-looking Shopify URLs, suggesting a link farm designed to lure users to 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.cc/pify?keyword=catalizador+concepto+pdf
- http://files.wildwoodchurchgarner.com/uploads/1/3/0/9/130969356/22de1f4e516.pdf
- http://files.nationalcapitalfencersclub.org/uploads/1/3/1/4/131438003/jizokagorujuz.pdf
- http://files.u-fit.org/uploads/1/3/2/6/132681954/vilomejolagevizesaki.pdf
- http://files.hungrybeargrazing.com/uploads/1/3/0/7/130739811/2a69b32369009.pdf
- https://cdn.shopify.com/s/files/1/0438/3113/2322/files/matplotlib_2d_histogram.pdf
- https://cdn.shopify.com/s/files/1/0448/0489/8978/files/95322830910.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xibazukikamemawamiwemin.pdf
- https://cdn.shopify.com/s/files/1/0430/8631/5684/files/definition_of_second_language_acquisition.pdf
- https://cdn.shopify.com/s/files/1/0432/3767/1080/files/47679574583.pdf
- https://cdn.shopify.com/s/files/1/0435/7272/3875/files/16391388721.pdf
- https://cdn.shopify.com/s/files/1/0432/6470/4662/files/95101033198.pdf
- https://cdn.shopify.com/s/files/1/0429/7955/7535/files/yesterday_andhra_jyothi_news_paper.pdf
- https://cdn.shopify.com/s/files/1/0436/0755/6258/files/vujimepagulogejewox.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51994241049.pdf
- https://cdn.shopify.com/s/files/1/0432/7407/6315/files/95302122013.pdf
- https://cdn.shopify.com/s/files/1/0431/5519/4011/files/16526908446.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_off0000b2f5.bin6eb73927067a56629bfcf019120d6f431de7c9ff59f7fa84d8751fe4556d2989 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2F5 | 4924 bytes |
font_01_sfnt_off0000c3cb.binc05a1f65daea7990f588c365773f430e89753b7340dcfd14cb03390e50f262dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3CB | 11984 bytes |
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