MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL associated with a redirector. The document body, though heavily obfuscated, suggests a lure related to guitar chords, likely to entice users to click the malicious links. The presence of numerous external PDF links further indicates a link farm or redirection strategy.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=blues+guitar+chords+chart+pdf
- http://files.hilkerstudio.com/uploads/1/3/1/6/131636697/muteripisagat.pdf
- http://files.emilykuchenbecker.com/uploads/1/3/1/4/131438068/wedosulinifod.pdf
- http://files.nxtgenerationenergy.com/uploads/1/3/2/7/132740415/sodegebu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/8772/2648/files/92692698730.pdf
- https://cdn.shopify.com/s/files/1/0434/8005/5965/files/59207966164.pdf
- https://cdn.shopify.com/s/files/1/0436/5582/3525/files/59291253030.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/lixowebexuzumowo.pdf
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/83736442417.pdf
- https://cdn.shopify.com/s/files/1/0437/6687/4269/files/9338538098.pdf
- https://cdn.shopify.com/s/files/1/0430/9480/2581/files/73677374676.pdf
- https://cdn.shopify.com/s/files/1/0431/1236/6231/files/41730693868.pdf
- https://cdn.shopify.com/s/files/1/0432/7197/9172/files/lutedoxutaketegox.pdf
- https://cdn.shopify.com/s/files/1/0437/7791/7079/files/33801045768.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/46676539889.pdf
- https://cdn.shopify.com/s/files/1/0440/0611/3430/files/73862144316.pdf
- https://cdn.shopify.com/s/files/1/0433/5609/4615/files/risodava.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f8b.binee8df59d49f164e88138524e36bda6898a5589e6ba5841d22af33a68e33f9514 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F8B | 5244 bytes |
font_01_sfnt_off00008177.bin422c088c3bf709c3bdfebd37389f9c7040034e4c7ed87db2d95f44ced6a1c07b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8177 | 10028 bytes |
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