MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a primary URL identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a guitar tab PDF, which is likely a lure. The presence of multiple external PDF links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to distribute malicious content.
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.com/pify?keyword=asturias+tab+guitar+pdf
- http://files.alaskazooarch.org/uploads/1/3/1/3/131378918/ganopefagobaku_gosime_gufogepunekenun.pdf
- http://files.thewelltraveledteacher.com/uploads/1/3/1/3/131381048/tuxij.pdf
- http://files.johnstephenbritten.com/uploads/1/3/1/3/131398308/b7754001a82a19c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/5271/8494/files/pdf_babylon_mystery_religion.pdf
- https://cdn.shopify.com/s/files/1/0429/1022/0447/files/6332887348.pdf
- https://cdn.shopify.com/s/files/1/0431/6200/9755/files/dajiwipa.pdf
- https://cdn.shopify.com/s/files/1/0430/2995/4721/files/deribawolulolerotevupe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84113106953.pdf
- https://cdn.shopify.com/s/files/1/0433/8561/8583/files/67870748890.pdf
- https://cdn.shopify.com/s/files/1/0428/3459/1907/files/36682861598.pdf
- https://cdn.shopify.com/s/files/1/0433/8991/1196/files/dalutubowumetogesov.pdf
- https://cdn.shopify.com/s/files/1/0431/9451/5614/files/49293820606.pdf
- https://cdn.shopify.com/s/files/1/0428/3629/5836/files/77581107468.pdf
- https://cdn.shopify.com/s/files/1/0436/3229/6089/files/3rd_grade_go_math_workbook.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_off000047b5.bin51c95854e6ec60b4a5d33ec97dbe23e6c0e27f31ca30c673f767b7c1c6afd175 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47B5 | 5308 bytes |
font_01_sfnt_off000059cc.binc192ab15916e14ed2be31575974a0f5e5ca2b402e646d2eac4e55b4de9d21e05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59CC | 9924 bytes |
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