MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with a critical heuristic firing for a malicious redirector link to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and references to other PDF files hosted on Shopify, suggesting a link farm or phishing lure. The ML classifier strongly indicates maliciousness, supporting the use of a spearphishing attachment technique.
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=taimanin+asagi+chaos+arena 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/1/0437/4996/5985/files/foxomom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1974/8006/files/18163190815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/2949/5713/files/foputaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8008/0801/files/telkom_catalogue_august_2019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2293/4435/files/kopiwogesaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6874/2040/files/mick_goodrick.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2357/8774/files/the_compact_bedford_introduction_to_literature_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4093/0983/files/komovizonigelutotu.pdfIn PDF document text
- https://static.usrfiles.com/ugd/2c8d66_ae0c4740e64e4e43ba4cb1e7b85e53f6.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_b2c7ec019d1240dc8bf1d6f825b46b2f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/565485_c482f950082844189e1066877104f5e8.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_bd7f959713c04472ba243d38c7b5edcd.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0d9a50_e13ad3537eba48d5bbb5753dd93e5353.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007bbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BBE | 16440 bytes |
SHA-256: 7d81837ca2bbecc9acab346dde2acd165e91ffa2a338fa351e5a6fd810bd255d |
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font_01_sfnt_off0000b065.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB065 | 5128 bytes |
SHA-256: 848df26c14ec110337120df30feb4a9c13520acdec03557d5a9fd84d516318d9 |
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font_02_sfnt_off0000c1a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1A5 | 10416 bytes |
SHA-256: de9a32f384a2a13f47110bc7b93266f135bc2dcaca4a01f643166f8bf370a59f |
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font_03_sfnt_off0000e544.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE544 | 16060 bytes |
SHA-256: 1a51fac5cecc05d5f0a5d3b698ffe240ccab470cdba6a823ba27c6c2a12c20dd |
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