MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains text related to guitar lessons and the malicious URL. The PDF also contains a large number of embedded links, many pointing to shopify.com, which is likely part of a link farm to improve SEO for the malicious redirector. No scripts were extracted from this sample.
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/pify?keyword=livro+de+aula+de+viol%25C3%25A3o+em+pdf In PDF document text
- http://files.christchurchchichester.com/uploads/1/3/2/8/132814030/vizagiwita-lomewepopor.pdfIn PDF document text
- http://files.friendsofcookforest.org/uploads/1/3/1/3/131384412/6848861.pdfIn PDF document text
- http://files.louisvillecebs.org/uploads/1/3/0/7/130739284/b9484a9761aad.pdfIn PDF document text
- http://defedute.patricedworkinart.com/uploads/1/3/0/8/130814124/c5ad9a.pdfIn PDF document text
- http://rasubod.shekhargn.com/uploads/1/3/0/9/130969764/f30be53e31de9be.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/1/0439/8520/7454/files/jofafodoleme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3143/6186/files/81668246150.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6022/3397/files/joxotukufonekozaxigipukix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2155/7150/files/cracking_the_money_code_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/jujapete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5820/8672/files/create_tiny_url.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6880/8613/files/69504375027.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7338/8190/files/72182222303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0583/6438/files/plexiglass_mirror_sheets_home_depot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51220099535.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5265/5002/files/67261431785.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3899/6642/files/clear_acrylic_sheet_properties.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4277/4938/files/raquitismo_en_perros.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007761.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7761 | 5024 bytes |
SHA-256: c5f8940d352a24dd75d2e1e0abde4e8df487584d0f83cbc49bb217ec875f7fd2 |
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font_01_sfnt_off000087e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87E4 | 12252 bytes |
SHA-256: 6711690db15b8589424e4fe11aab44a66e89e85ae254a3346981d3e9c72b4cf3 |
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font_02_sfnt_off0000ada9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADA9 | 16304 bytes |
SHA-256: 0a2507360a40dd56b84230664db2b3a2689cb34b0aa642599c8245950ba374cb |
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font_03_sfnt_off0000c31e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC31E | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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