MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by an ML classifier and contains a critical heuristic indicating it's a redirector link. The document body, though heavily obfuscated, contains the URL https://ttraff.com/wix?keyword=rheem+criterion+ii+furnace, which is also listed as a known malicious redirector. Additionally, the PDF contains a link farm pointing to multiple Shopify-hosted PDFs, suggesting an attempt to manipulate search engine results or distribute further payloads.
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/wix?keyword=rheem+criterion+ii+furnace
- https://cdn.shopify.com/s/files/1/0429/8326/0314/files/gijiwowobareb.pdf
- https://cdn.shopify.com/s/files/1/0431/4493/7628/files/bufevix.pdf
- https://cdn.shopify.com/s/files/1/0439/5306/2043/files/algorand_white_paper.pdf
- https://cdn.shopify.com/s/files/1/0429/8548/8543/files/53092948301.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61066914906.pdf
- https://cdn.shopify.com/s/files/1/0437/7994/8695/files/glencoe_physical_science_online_textbook.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wajumibuxup.pdf
- https://cdn.shopify.com/s/files/1/0429/6078/1465/files/31372084155.pdf
- https://cdn.shopify.com/s/files/1/0433/1854/2504/files/62864772950.pdf
- https://cdn.shopify.com/s/files/1/0437/1290/5384/files/mulesoft_4_developer_guide.pdf
- https://static.usrfiles.com/ugd/b8c837_24701f51696246a39130affad968ae1a.pdf
- https://static.usrfiles.com/ugd/b8c837_cd1ce91826c9476d95f0a45d7b407795.pdf
- https://static.usrfiles.com/ugd/b8c837_878ff843bf164f8ea95cb9039d221256.pdf
- https://static.usrfiles.com/ugd/b8c837_09866f46679549229b369d8bef85c2c7.pdf
- https://static.usrfiles.com/ugd/b8c837_428b077b14644b6ab0bd1aaf80daee26.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_off000060e3.bin610d37ab52c0d6e1df35f36754b4c0b428f9bbe6f48488ee1d4f853b6539b150 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60E3 | 4920 bytes |
font_01_sfnt_off00007178.bin07aaed9aac7184aeb98b95fd72adb4587d85a77e0aa06d20e265728975774ea7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7178 | 10292 bytes |
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