MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The document body text, though partially corrupted, includes a lure related to 'Nuance power pdf' validation, suggesting a phishing attempt. The presence of a large number of embedded links, many pointing to Shopify domains, indicates a link farm designed to obscure the malicious redirector.
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=nuance+power+pdf+at+least+one+signature+requires+validating
- http://files.ivansivak.net/uploads/1/3/2/6/132695280/8852f08.pdf
- http://files.aleonor1to1.com/uploads/1/3/1/0/131069812/5239366.pdf
- http://files.jmenterprisesllc.net/uploads/1/3/0/7/130739718/3756183.pdf
- http://files.lutesfamilyart.com/uploads/1/3/1/4/131411596/safosutarog.pdf
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/aircraft_performance_and_design_anderson.pdf
- https://cdn.shopify.com/s/files/1/0430/3929/3589/files/turetotode.pdf
- https://cdn.shopify.com/s/files/1/0450/5042/9598/files/cbc_blood_test_normal_values_chart.pdf
- https://cdn.shopify.com/s/files/1/0432/8272/7067/files/20009994926.pdf
- https://cdn.shopify.com/s/files/1/0429/2981/5705/files/buddhist_philosophy_essential_readings.pdf
- https://cdn.shopify.com/s/files/1/0430/9843/9837/files/mobil_oil_filter.pdf
- https://cdn.shopify.com/s/files/1/0437/1031/6694/files/adulteration_of_milk_products.pdf
- https://cdn.shopify.com/s/files/1/0430/8697/1029/files/definicion_de_estrategias_de_enseanza_aprendizaje.pdf
- https://cdn.shopify.com/s/files/1/0430/6596/6754/files/10275374169.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/46972488611.pdf
- https://cdn.shopify.com/s/files/1/0429/0494/4807/files/65153232106.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_off000046eb.bin53c976475b168d230b0aa301853d09c33c12f0d0c847c3d98679555bf770365c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46EB | 5572 bytes |
font_01_sfnt_off00005a01.bin4ae311f8b0f9ee09db44e9f53338eb229b563bd34801afe64716ed1ed013c55d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A01 | 9936 bytes |
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