MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a prominent link that redirects to a malicious URL, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'Tintin in the congo color pdf download' and the authoring application, suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates the presence of numerous external links, likely part of a link farm to improve search engine ranking for malicious content. The ML_NYX_PDF_MALICIOUS classifier strongly supports the malicious nature of this PDF.
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.com/wb?keyword=tintin%20in%20the%20congo%20color%20pdf%20download In PDF document text
- http://files.operativedentistryturin.com/uploads/1/3/0/7/130776073/6193678.pdfIn PDF document text
- http://files.authoraprilkelley.com/uploads/1/3/0/8/130873791/gewixikalutad.pdfIn PDF document text
- http://files.hannahwebster.co.nz/uploads/1/3/1/3/131384359/5552383.pdfIn PDF document text
- http://files.alexaelizabethdesign.com/uploads/1/3/0/7/130775431/d0ff95e85fb09.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9914/2810/files/vimekuwevifotikudetene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8091/4846/files/mapenufurufanabifupazugor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4389/8019/files/45239573739.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rajijabobuzev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48975286879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7078/2614/files/75416653537.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3365/7507/files/baritomosep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3600/0931/files/pengertian_bioremediasi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8281/7441/files/protein_synthesis_process.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1447/1330/files/52690751154.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6987/5111/files/mimelajenenaxavamokokine.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4844/9686/files/roskam_airplane_design.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5840/5275/files/vifuzoxobivu.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_off0000bf43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF43 | 5280 bytes |
SHA-256: c000a9381ff91e3c7339ee36b70ba477035e5c5f413ad6200f4897c9c823ebe5 |
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font_01_sfnt_off0000d147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD147 | 10732 bytes |
SHA-256: 428b2731a1c35b5d3a8d0ff04f27b99b21b77e2756c3bdb72d43e254773a6183 |
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