MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded links pointing to a redirector service (ttraff.cc) which is flagged as malicious. The document body text, though partially corrupted, includes the same URL and references 'definición de blog pdf', suggesting a lure. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating an attempt to drive traffic to potentially harmful content. The ML classifier also strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=definici%25C3%25B3n+de+blog+pdf In PDF document text
- http://files.longwayroundfarm.com/uploads/1/3/1/3/131384098/tonisuragunixi_gesefafare_jizuj_repeborovazetit.pdfIn PDF document text
- http://files.thewillowtreegifts.com/uploads/1/3/1/1/131163635/buxene.pdfIn PDF document text
- http://files.plan-my-trip.eu/uploads/1/3/0/7/130738554/8f0341ccf.pdfIn PDF document text
- http://files.hurrybackcatering.com/uploads/1/3/0/7/130775436/razuwolasawel.pdfIn PDF document text
- http://betorav.kilmarnockexpresidents.com/uploads/1/3/1/6/131606552/192376.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/6670/4550/files/lusimovemapabi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8333/9678/files/mutoget.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3015/1330/files/95197917797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9861/0591/files/6957419345.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4194/7801/files/36082908823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4911/5029/files/6134054067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2888/1313/files/jubivivoniviwiki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3365/7507/files/jaxusopuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4444/5092/files/dinozetusoragu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/3540/7014/files/the_norton_field_guide_to_writing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9993/8211/files/78028790685.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2412/0984/files/82964839669.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1249/7313/files/butag.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006891.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6891 | 4820 bytes |
SHA-256: 5545ade67342ae8c5bf2b8f985dfc1b0e3483891f1ce24c915d077de2305a101 |
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font_01_sfnt_off000078bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78BF | 10960 bytes |
SHA-256: e31bcc2652660ad78ad7e4677ae56ac08beea9b155a7af986f1100fa0e4c4f1e |
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font_02_sfnt_off00009c4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C4A | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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