MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm pointing to numerous external PDFs, with one primary link to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=kalinka+sheet+music+piano+pdf'. This suggests the document's purpose is to redirect users to malicious content, likely for phishing or malware distribution. The ML classifier strongly supports the malicious verdict.
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=kalinka+sheet+music+piano+pdf
- http://files.patrickmcguire.org/uploads/1/3/1/6/131606605/8730414.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/1459/2408/files/satukumarajixajuwepiluru.pdf
- https://cdn.shopify.com/s/files/1/0434/7360/0678/files/47777351517.pdf
- https://cdn.shopify.com/s/files/1/0438/8575/6568/files/73247735161.pdf
- https://cdn.shopify.com/s/files/1/0444/2734/6086/files/amway_products_price_list_for_distributor.pdf
- https://cdn.shopify.com/s/files/1/0437/6556/3549/files/dijejaduxovur.pdf
- https://cdn.shopify.com/s/files/1/0428/6028/2023/files/suxonuleropuraziresew.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kuvesagapixunijibofalase.pdf
- https://cdn.shopify.com/s/files/1/0436/2724/9826/files/ritovaruboweretorogodix.pdf
- https://cdn.shopify.com/s/files/1/0432/6657/2441/files/who_must_file_form_8862.pdf
- https://cdn.shopify.com/s/files/1/0434/5082/6905/files/niroxo.pdf
- https://cdn.shopify.com/s/files/1/0444/3268/7271/files/alter_ego_1_plus.pdf
- https://cdn.shopify.com/s/files/1/0431/8396/4317/files/9864965797.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_off00005b6e.bin4480ffde5043b2a43742f140c3332e7b2532e34b7f3f0df6e4466988c783ed2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B6E | 5332 bytes |
font_01_sfnt_off00006d66.bin68c3db96e04e0b5975d152c6ebf61fd2f37e4825ea984bf9b361e42f2ef02d29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D66 | 10380 bytes |
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