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 designed to lure users with search terms like 'guitar chords bass tabs'. The presence of numerous external PDF links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to obscure the malicious redirector. The ML classifier strongly indicated maliciousness, supporting the assessment of a phishing or redirection attempt.
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=guitar+chords+bass+tabs
- http://kefukuve.chicoholisticpet.net/uploads/1/3/0/7/130775291/7146200.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/2016/3999/files/possessive_pronouns_worksheets_for_grade_2.pdf
- https://cdn.shopify.com/s/files/1/0443/3159/7980/files/tulipadad.pdf
- https://cdn.shopify.com/s/files/1/0431/5725/8395/files/kojunubojogi.pdf
- https://cdn.shopify.com/s/files/1/0434/2707/0104/files/noduxedolivo.pdf
- https://cdn.shopify.com/s/files/1/0428/2561/3475/files/63580826682.pdf
- https://cdn.shopify.com/s/files/1/0433/6690/8065/files/nodazerukagoxizuwe.pdf
- https://cdn.shopify.com/s/files/1/0433/6173/0718/files/74803308254.pdf
- https://cdn.shopify.com/s/files/1/0437/2440/6933/files/tureweju.pdf
- https://cdn.shopify.com/s/files/1/0431/2501/4684/files/27406206088.pdf
- https://cdn.shopify.com/s/files/1/0437/6107/4333/files/rawiju.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_off00005baa.binad4de6e0316faeb2767ef2c33c7c7e78167e51175197d391178ecb1525f49a8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BAA | 5164 bytes |
font_01_sfnt_off00006d29.bin68ff0b780d5907e74cded88f8d5e334a07c7545c52d28be77885daa13a0d0a48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D29 | 10616 bytes |
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