MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links designed to create an SEO link farm, with a primary malicious redirector at `https://ttraff.com/wb?keyword=livro%20adestramento%20de%20c%C3%A3es%20pdf`. This redirector likely leads to a phishing page or malware download. The ML classifier strongly indicated maliciousness, and the PDF structure itself is geared towards link manipulation.
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=livro%20adestramento%20de%20c%C3%A3es%20pdf In PDF document text
- http://files.darkestsidesilver.com/uploads/1/3/1/4/131438111/lidodimogite-lawuburewok-sudoxar-pavomolimib.pdfIn PDF document text
- http://files.creativitycards.net/uploads/1/3/0/9/130969680/faxogufarukani.pdfIn PDF document text
- http://files.iammengdiwang.com/uploads/1/3/1/8/131856949/xatigadimizijer.pdfIn PDF document text
- http://files.norwegianbuhundpuppies.com/uploads/1/3/2/6/132681863/5323927.pdfIn PDF document text
- http://files.harrypottervet.com/uploads/1/3/1/4/131407111/vikaxomebewenute.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/1/0433/1231/6584/files/64156757640.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7952/4759/files/3183010606.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8434/0630/files/4772726657.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/95966346719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6869/3411/files/nerokuzefexaju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7952/4759/files/83634197468.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6992/2714/files/71521051488.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3414/7989/files/91847661340.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3989/1357/files/wobazenawedivegogoritew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9659/5870/files/jivugejeradedo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nudukesobiji.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7580 | 5376 bytes |
SHA-256: f35ecb46b78817777a07466b9249b540a1715eaf70bf22c029677b4e78478ad3 |
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font_01_sfnt_off0000871c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x871C | 12612 bytes |
SHA-256: d659d68e05f8c27be7394a544532dcaa49ef38ba2e2cffc66441f2856198e283 |
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font_02_sfnt_off0000ad92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD92 | 16164 bytes |
SHA-256: 4b52fd5da643d9c08cc0a86f773b2f024e3274f3f861dfcac100db1ef433cf06 |
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