MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a search result for sheet music. The link directs to 'ttraff.cc', a known malicious redirector. The document also contains a large number of external PDF links, many hosted on Shopify, which is indicative of a link farm or SEO poisoning tactic. The ML classifier also strongly flagged this PDF as malicious.
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+no+15+sheet+music In PDF document text
- http://nafif.gstars.com/uploads/1/3/1/6/131606140/jubibumuj_sonebojumewigof_kibagozir_redunujofilix.pdfIn PDF document text
- http://files.delusionandco.com/uploads/1/3/1/3/131384333/597765.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/1/0431/8052/3681/files/55557716914.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9887/3763/files/ranopixotisixetawuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2790/7239/files/12546143804.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/2533/4171/files/properties_of_addition_worksheet_grade_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5272/0543/files/dalos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8170/9206/files/19968779519.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3071/6322/files/4108020304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4622/4551/files/29612017264.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2379/4339/files/lolinufodimamabilusadufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4030/7362/files/buvojosudukuwolejiloz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7896/6686/files/ain_t_no_grave_bethel_chords.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_off00005d9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D9E | 5212 bytes |
SHA-256: 47e2baa6f7e99f0fa8d4cc22b305199696d5468b667f175c7bd2d51f348c3d83 |
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font_01_sfnt_off00006f3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F3A | 14332 bytes |
SHA-256: bf034e4ce365b0e2ef49867cb9c26fbfe93a79e27ae60d93b9aa5d28c65083b6 |
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font_02_sfnt_off00009bf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BF2 | 16076 bytes |
SHA-256: 58ab0355b12e7deceedda9b43bc31de04a7630cd803884eb04189384e4c03267 |
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font_03_sfnt_off0000b094.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB094 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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