MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to distribute further malware. The document body, though heavily obfuscated, contains the same malicious URL and appears to be a lure related to 'Beethoven piano sonata pdf'. The presence of numerous external links, many pointing to Shopify domains, suggests a link farm or SEO poisoning tactic to increase visibility of the malicious content. 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=beethoven+piano+sonata+pdf In PDF document text
- http://files.claireannagarand.com/uploads/1/3/1/3/131381518/1183138.pdfIn PDF document text
- http://files.joshuabenkingfineart.com/uploads/1/3/2/6/132681507/d2c6a2b003f8.pdfIn PDF document text
- http://files.mosaicsyourway.com/uploads/1/3/1/6/131607321/gabosogutufezad.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/1/0431/5106/5243/files/29458703147.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8999/3635/files/ribex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1560/1304/files/pubifupipadimunugogadi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9043/4455/files/sifat_boraks.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/3264/4505/files/animal_4d_cards.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9947/8434/files/zarilajewabaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8295/6443/files/the_haunting_of_hill_house_full_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8566/7235/files/applications_of_granular_computing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1583/0695/files/seladoverarire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4203/8182/files/gekiwovasatinimowino.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7514/9719/files/42879284474.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9301/7247/files/31439601348.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8360/4903/files/72887073325.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_off000064a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64A2 | 5108 bytes |
SHA-256: 2ba3d1412dafddb73e9c8c7efd594688d412953653d0f5377fb949f038176e4d |
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font_01_sfnt_off00007610.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7610 | 9880 bytes |
SHA-256: 1ee6738eca56bb80c06c992e1e4e1429a5e11e5c83bc538cc60cc2e7a2811b90 |
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font_02_sfnt_off0000982a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x982A | 16120 bytes |
SHA-256: 46d9b83afd797048ab251ddfc9ca9a6db44f3280724c231f6a80a061bcc6fc12 |
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