MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to sheet music and the malicious URL, suggesting a lure. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves enticing the user to click the malicious link, likely leading to a further stage of infection.
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=oceans+hillsong+united+sheet+music+pdf
- http://files.ethridgedesignstudio.com/uploads/1/3/1/6/131606901/7301492.pdf
- http://teribe.avian.dk/uploads/1/3/1/4/131407178/disapuji.pdf
- http://files.yellowhouseherbs.com/uploads/1/3/0/9/130969160/53561dbf7b.pdf
- http://temegi.kierstenbrockman.com/uploads/1/3/0/8/130874254/1fb3d4d7723.pdf
- http://files.mysocarblife.com/uploads/1/3/1/4/131453465/bibemeden.pdf
- https://cdn.shopify.com/s/files/1/0430/0944/1953/files/mafomir.pdf
- https://cdn.shopify.com/s/files/1/0435/5185/0647/files/women_s_weight_training_program.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5274/files/55694596294.pdf
- https://cdn.shopify.com/s/files/1/0434/6032/9637/files/45543311555.pdf
- https://cdn.shopify.com/s/files/1/0428/0179/1132/files/fiwitipumorowekosimatasi.pdf
- https://cdn.shopify.com/s/files/1/0430/7704/2325/files/bowivota.pdf
- https://cdn.shopify.com/s/files/1/0434/2117/1879/files/auditing_legislation_and_standards_2nd_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0430/6855/5415/files/55849222687.pdf
- https://cdn.shopify.com/s/files/1/0433/8191/5802/files/nelibezuwarewamene.pdf
- https://cdn.shopify.com/s/files/1/0431/4945/9605/files/kinofinafisidepejisubi.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004df0.binbe083a7a0246afb4ad360f10d3135f9218852f4a62964b45d6c770acfcafcd65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DF0 | 5500 bytes |
font_01_sfnt_off00006082.bin7ac9dddb2ce3b868ad29ceb946c0ce35ae99daef7455324cdfafb6aa24a36cad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6082 | 14888 bytes |
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