MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with one heuristic specifically identifying it as a PDF link farm. The primary malicious URL, 'https://ttraff.com/wix?keyword=story+english+pdf', is flagged as a known malicious redirector. The document body is heavily obfuscated and contains a mix of readable text and what appears to be binary data, but the presence of numerous links strongly suggests a malicious intent to redirect users to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=story+english+pdf In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_f792ba54f7334e22b0ec3c5a7773eb15.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_2e5da1b3069347dd8e0e2853f2914e38.pdfIn PDF document text
- https://static.usrfiles.com/ugd/724bd4_409227a0c8cf43b48613dc514bc7e62e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a4e402_25eb5725570946ab91edbefb4b4a2770.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_5af6dc5364c24ce1a528da0d279820a9.pdfIn PDF document text
- https://static.usrfiles.com/ugd/fdee49_35ec10e80963483cba485310866e24e3.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c1c462_af91344be68545748c72c41d580fed87.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7921d2_ae3ee9bf8fbe42a3a9239fbc3735e99c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/36f25b_ba9caebd94ca4666b5918d5d5600f712.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_ad930f9d705b458d8c3e80af9d8e9ac8.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1627/3576/files/operatoria_dental_barrancos_descargar_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4659/1903/files/benofatipazad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3663/0422/files/32322303322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94662163826.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_e4f7ac90e6dd4d6b9195487a5d661922.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a107db_e2bb8c5eebf544a48fa27ce3d85aa54c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0049ca_49b6e3917d044e2298704d72d58338cc.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9910 | 3184 bytes |
SHA-256: 97560ea701d480278f5160e3bc33b12ae9d8068c721827351261d2cd488cf2c5 |
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font_01_sfnt_off0000a465.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA465 | 5296 bytes |
SHA-256: 9891b99e0e9a313e53ac971dee9ded55daeb8cad5268d2da969b303c7d569e31 |
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font_02_sfnt_off0000b670.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB670 | 11060 bytes |
SHA-256: 09af2a3ac90df8c25bf9922ccf7f5764fb0bca6db78d8eb1354fa21c1f50a75e |
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