MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to PDF bookmarks and includes the malicious URL. The presence of a large number of external PDF links suggests a link farm or SEO poisoning attempt to drive traffic to 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.ru/pify?keyword=how+to+make+bookmarks+in+nuance+pdf In PDF document text
- http://files.parttimewanderlust.com/uploads/1/3/0/9/130969548/nowisukikigof.pdfIn PDF document text
- http://files.hmongunited.org/uploads/1/3/0/8/130874009/pomedojesenokukafov.pdfIn PDF document text
- http://files.kangarooislandskincare.com.au/uploads/1/3/1/4/131406068/rajemeroxegizox.pdfIn PDF document text
- http://files.priscilajamison.com/uploads/1/3/2/7/132711961/rerusedivedude.pdfIn PDF document text
- http://files.mpumcbuilders.org/uploads/1/3/1/4/131406403/titazijubo.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/1/0432/9845/5705/files/catgut_cromico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/parisibudipaxetiwori.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7606/6211/files/67222304074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2174/6847/files/20584411917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5729/9097/files/jdk_8_new_features.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7955/6504/files/30790408717.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7599/2728/files/68165591673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9318/0070/files/vunokaxefakovovalosin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2388/3688/files/48816379817.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7658/2552/files/xujuno.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/wutakulo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/3355/3054/files/renfe_billete_movil.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_off00006383.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6383 | 5408 bytes |
SHA-256: 491a02a9f709a5d8fa93e14a699b5276bc4e35f67d1319f3088392ad6180eaef |
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font_01_sfnt_off000075d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D3 | 10352 bytes |
SHA-256: 4b934b656f3fd1b0291f71c64760a92cb50868fab3ba772cb3a68755871593c1 |
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font_02_sfnt_off00009928.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9928 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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