MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a high number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and references to other benign-looking PDF files hosted on Shopify. This suggests a tactic to manipulate search engine results or to disguise malicious links among legitimate ones, ultimately leading users to a malicious site.
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=once+falling+slowly+violin+sheet+music
- http://rokuxep.instituteforlgbthealth.org/uploads/1/3/2/3/132302921/5633737.pdf
- http://kivov.rebeccacconklin.com/uploads/1/3/2/7/132710712/pegunegagugu-girozejuka-nubofo-rojewuluve.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0449/4350/7615/files/66475158804.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71860998709.pdf
- https://cdn.shopify.com/s/files/1/0430/2995/4721/files/convert_pem_to_ppk.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/banefidofekadozimodomi.pdf
- https://cdn.shopify.com/s/files/1/0436/3039/5552/files/99472385534.pdf
- https://cdn.shopify.com/s/files/1/0431/4942/6839/files/25379226841.pdf
- https://cdn.shopify.com/s/files/1/0430/6635/9962/files/13134021198.pdf
- https://cdn.shopify.com/s/files/1/0439/2294/8251/files/83883058866.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31178329868.pdf
- https://cdn.shopify.com/s/files/1/0433/1231/6584/files/15626260794.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00003f48.bin57735eed9c7c700ec3cbd230605f0c6b05b6b6884a8a57fcb32cde580c81c9d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3F48 | 5364 bytes |
font_01_sfnt_off00005182.bine0b7a7c6adc188729595848b103062ebfec038e3a7d773ee1f5c66bc2761185c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5182 | 9676 bytes |
font_02_sfnt_off000072a6.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72A6 | 4324 bytes |
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