MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.club/wix?keyword=text+animation+maker+apk'. It also exhibits characteristics of a PDF link farm, with numerous links to Shopify-hosted PDFs. The document body, though heavily obfuscated, contains the same malicious URL and a benign-looking PDF filename, suggesting a lure to disguise the malicious intent. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates that the document may be intended to trick the user into providing a password for an archive, a common tactic to bypass initial security scans.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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.club/wix?keyword=text+animation+maker+apk In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0204/4316/files/electronic_devices_and_circuits_lecture_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1239/9010/files/koboviritejofosedunafalo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5107/2158/files/wilikofufazemos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8178/5753/files/10938935909.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5752/1574/files/sucesion_ab_intestato_derecho_romano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8227/6257/files/viripolirizipobadetiroki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3586/4736/files/winrar_file_password_recovery_software_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0018/4477/files/rumadekujosigetewit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3975/0294/files/fipad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2604/6362/files/basics_of_share_market_trading.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7515/7670/files/siwovarudedijufimanomaju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3297/5272/files/bootstrap-_dropdown_hover._min._css.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0511f5_d4f9452173494460b81a2f92748e35e1.pdfIn PDF document text
- https://static.usrfiles.com/ugd/9b33c5_4fa621d4cbfb484584565f82c8f53fdd.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6260 | 4836 bytes |
SHA-256: 29272bc80b4f2fde06e4056900a9c6dbba58e72b4a44fcacdbbe032beb66daad |
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font_01_sfnt_off000072c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C2 | 10128 bytes |
SHA-256: 98b69a164cfcd02850b759d2c6ff52b13a3c2f933fce1f96279e2c18c0ab604a |
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font_02_sfnt_off000095b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95B7 | 16164 bytes |
SHA-256: 4b52fd5da643d9c08cc0a86f773b2f024e3274f3f861dfcac100db1ef433cf06 |
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