MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous links, including one pointing to a known malicious redirector at 'ttraff.club'. The document body, though heavily obfuscated, contains text related to 'Whatsapp whistle notification sound free' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The PDF structure and the presence of many external links indicate a link farm or redirection tactic.
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.club/wix?keyword=whatsapp+whistle+notification+sound+free 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/1/0432/4678/0566/files/coolmathgames_console_hacks.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3278/0701/files/bivariate_normal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0466/2552/1829/files/c-cl_bond_length.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/a._n._m_form_2019.pdfIn PDF document text
- https://static.usrfiles.com/ugd/daca0d_49f02bef9ad74e559f13fc4729f884da.pdfIn PDF document text
- https://static.usrfiles.com/ugd/eb6612_2f15bfec48ae4870843fd1742c8ba77e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/111c46_32f77f667d504353a1dd1acfcc00cff2.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c63dba_15bc5f3ab75b49c0a71f78be9879ee26.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c0a468_cb2ae0b8b87244b5b4a6f37490928795.pdfIn PDF document text
- https://static.usrfiles.com/ugd/2f07a1_485a968d9b794c8a9c0e750e0cfae11c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/98857b_feca240775594118bc73a058996e1b21.pdfIn PDF document text
- https://static.usrfiles.com/ugd/67e251_b4e8017a328b463898ffefb049914ce6.pdfIn PDF document text
- https://static.usrfiles.com/ugd/20d83a_98de86c509b64f4fa4d26c4958bde291.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_477f3ffc5768402d8ab933cb0032aa9c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_72cc9411a6e04e4992ef968791678a7a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/65b209_61259cb1d5684042af03783035208c48.pdfIn PDF document text
- https://static.usrfiles.com/ugd/5e8de6_88080c6d2aea4f2ebf8ee6509611b2b0.pdfIn PDF document text
- https://static.usrfiles.com/ugd/217d68_4671402dd3154e4297b7c344a6df3d6f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/122077_14460b0575d24a14a5de9c117a0105ac.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_off00004a9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A9B | 5348 bytes |
SHA-256: 3f2a915afca3d45908f0ad98abc46c1abc52d459894f0b5a65e80c55dc1643b7 |
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font_01_sfnt_off00005ce0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CE0 | 9696 bytes |
SHA-256: f1f0816ebe85c7eb26733899af244f55ddb798a6b893b13a1f9e742410df12ef |
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font_02_sfnt_off00007e38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E38 | 16684 bytes |
SHA-256: fe1ca6a691315ef32827512bb86cd3188d7c30cfa02bd4559714794831c9b14a |
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