MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF file contains numerous embedded links, a significant portion of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs. The primary malicious URL identified is ttraff.ru, which is flagged as a malicious redirector. The presence of a link farm further supports the malicious intent, aiming to lure users to potentially harmful 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=mas+gente+toxica+pdf+gratis In PDF document text
- http://files.cupcakecafe.me/uploads/1/3/0/7/130738988/xumixetidibevoxelob.pdfIn PDF document text
- http://files.salembasketballofficials.org/uploads/1/3/0/9/130969408/kugigumafewos.pdfIn PDF document text
- http://files.agenda2001consulting.com/uploads/1/3/2/6/132681448/2577048.pdfIn PDF document text
- http://files.jawsmechanical.com/uploads/1/3/1/8/131871730/1198709.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/1/0434/1324/2005/files/42446998751.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8110/5562/files/5955573804.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5440/7580/files/rebut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7274/1791/files/favojezuvogup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1319/2349/files/sakubipumepivetero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7877/9029/files/dudizofonozuwukexa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9691/5621/files/linetunajawadavipenal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6655/5557/files/tudokifodenopojuxujivo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5341/4565/files/kedawolafulag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9117/3282/files/nezaxor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5573/5193/files/39490319704.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/89364655305.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7245/3797/files/95600340577.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2207/4534/files/dixomulalazaripa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4130/0380/files/kovewinikedusu.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_off0000598b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x598B | 5152 bytes |
SHA-256: fc1b7ca304098c7627d95998091382d4c46e56d8c5e75033b67da57e1325ff73 |
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font_01_sfnt_off00006b26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B26 | 10616 bytes |
SHA-256: b26fba90da30e701f9747250e82d5553c1f0a735b2469d87777be84a12dd9785 |
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