MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, identified as a link farm. One critical heuristic firing indicates a link to known malicious redirector infrastructure at 'https://ttraff.cc/wb?keyword=rubberized%20concrete%20pdf'. The document body is heavily obfuscated and unreadable, but the presence of numerous external links suggests a social engineering attempt to drive traffic to potentially malicious sites.
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/wb?keyword=rubberized%20concrete%20pdf In PDF document text
- http://files.leelakelleybodywork.com/uploads/1/3/1/8/131856119/zatudafikaxejelerasi.pdfIn PDF document text
- http://files.kintsugioxford.com/uploads/1/3/1/6/131606349/24960c01a.pdfIn PDF document text
- http://files.captivatingcriminalitynetwork.net/uploads/1/3/2/6/132695478/nugasizewavagopasule.pdfIn PDF document text
- http://files.candiceblount.com/uploads/1/3/2/6/132683070/5972145.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://vuxemedobu.files.wordpress.com/2020/06/77173415718.pdfIn PDF document text
- https://digogaba.files.wordpress.com/2020/07/16673778560.pdfIn PDF document text
- https://gefulinosug650871460.files.wordpress.com/2020/07/naxatiniwozawazaze.pdfIn PDF document text
- https://gabotisiv.files.wordpress.com/2020/07/78572637534.pdfIn PDF document text
- https://vojezowodoti.files.wordpress.com/2020/07/zapej.pdfIn PDF document text
- https://didejemaba.files.wordpress.com/2020/06/sokolanivegezubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0210/0886/files/46738778793.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/vutomewid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7870/4536/files/gixagivojodoseboruduf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0165/1105/files/sitijaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7353/5138/files/54285857471.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9620/3679/files/xibodowivanerumogox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4614/1093/files/fofuvawurap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1829/7245/files/48145297141.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1D1 | 4808 bytes |
SHA-256: b8ebc002c6fbd9cbf1b20d06b8c9d29e02cc5ec43f8b87500bf6e531496f027b |
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font_01_sfnt_off0000c239.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC239 | 10276 bytes |
SHA-256: a0b83b0d1ea63abe5c71ab701fe825fdd2ba5b993bd4b3b9e628761a53a5f5b9 |
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