MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=brandywine+ymca+program+guide'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external PDF links, many hosted on Shopify. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be luring the user to a malicious site via the 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=brandywine+ymca+program+guide
- http://wuzonapan.wildaboutchristmas.com/uploads/1/3/0/9/130969656/50266dd7902.pdf
- http://files.agentfortruth.com/uploads/1/3/0/9/130969791/e744907129.pdf
- http://files.eldridgechurchofchrist.com/uploads/1/3/1/6/131637218/f25d2f5ed2ed12.pdf
- http://files.qsbiznet.com/uploads/1/3/0/8/130874655/878305.pdf
- https://cdn.shopify.com/s/files/1/0434/5482/4598/files/beery_vmi_manual.pdf
- https://cdn.shopify.com/s/files/1/0454/8257/3974/files/atresia_esofagica_clasificacion.pdf
- https://cdn.shopify.com/s/files/1/0431/1190/7488/files/64660662785.pdf
- https://cdn.shopify.com/s/files/1/0448/2033/2705/files/zinovukulibew.pdf
- https://cdn.shopify.com/s/files/1/0437/4154/4602/files/46866104003.pdf
- https://cdn.shopify.com/s/files/1/0435/3579/4327/files/42112223995.pdf
- https://cdn.shopify.com/s/files/1/0429/3269/9295/files/uninstall_office_mac.pdf
- https://cdn.shopify.com/s/files/1/0443/4988/2524/files/can_can_easy_piano_sheet.pdf
- https://cdn.shopify.com/s/files/1/0434/4525/6352/files/xozadawot.pdf
- https://cdn.shopify.com/s/files/1/0429/8542/2997/files/83916070240.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_off00006292.binda2a8a69ca52938a76d64c7123ba471770f4ebb357a1099624ffa065ac55261b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6292 | 5424 bytes |
font_01_sfnt_off00007503.bina11a560a1ed86ed6dbb90fbf0fe14035cb630c4d5a31fdd2ba9928098ad55391 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7503 | 10876 bytes |
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