MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious redirector URL and several benign-looking URLs, likely to mask the malicious intent. The primary goal appears to be directing users to malicious infrastructure.
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=js+socket+room
- http://files.greaterheightsfellowship.org/uploads/1/3/1/6/131636737/3945625.pdf
- http://files.newbeginningsequinestables.com/uploads/1/3/0/9/130969300/jawadixavebejab-pizuri-zapotak.pdf
- http://files.drachenspiel.ca/uploads/1/3/1/4/131413678/c0c347ac8051923.pdf
- http://files.gransstaystrong.com/uploads/1/3/0/8/130874593/98b40a.pdf
- http://files.customizedtriptofrance.com/uploads/1/3/0/7/130776406/3234898.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/4772/1892/files/nixiseponupemibitunakukuv.pdf
- https://cdn.shopify.com/s/files/1/0430/3552/5282/files/vofesigon.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kipisoluni.pdf
- https://cdn.shopify.com/s/files/1/0431/5358/8390/files/91098503059.pdf
- https://cdn.shopify.com/s/files/1/0432/7617/3472/files/22219587910.pdf
- https://cdn.shopify.com/s/files/1/0432/8862/5302/files/59789690443.pdf
- https://cdn.shopify.com/s/files/1/0438/2582/3904/files/20090259012.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1534434062.pdf
- https://cdn.shopify.com/s/files/1/0427/7148/0742/files/75223870304.pdf
- https://cdn.shopify.com/s/files/1/0428/1214/5830/files/lavizusidujabanoduwol.pdf
- https://cdn.shopify.com/s/files/1/0432/9707/9460/files/83485092509.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_off00005ea9.binf137a2d675b9402104f70c133f1d2b29038f28cf1e15051dcb2437d3d514535a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EA9 | 4756 bytes |
font_01_sfnt_off00006ec6.bin125b33ec6d04230d24768728d41115c395bf15953a0ac2bc7d1be44cab191db8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EC6 | 13152 bytes |
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