MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a malicious domain, identified by heuristics as a link farm and redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/wix?keyword=rwa+lee+enfield+manual', suggesting a phishing or scam attempt to lure users to a malicious site under the guise of providing a manual. The ML classifier also strongly indicated maliciousness.
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=rwa+lee+enfield+manual 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/f0f215_61cb9aaff39e4198935e8d1519a0f06f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/cf14a4_636ce76a72974b499022b8525022a4fe.pdfIn PDF document text
- https://static.usrfiles.com/ugd/34e21e_8138bf6acf6144f188a714847c7c5946.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5101/4551/files/10000181107.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nezax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1341/3791/files/glencoe_algebra_2_homework_practice_workbook_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4614/2114/files/gaberira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2324/5216/files/47761011222.pdfIn PDF document text
- https://static.usrfiles.com/ugd/d01287_8d1372abbb184b1ea90cdb78fb38e295.pdfIn PDF document text
- https://static.usrfiles.com/ugd/eaf48f_ebbf10ce69584b7b98cab548997a00f1.pdfIn PDF document text
- https://static.usrfiles.com/ugd/23b571_88abfe06b2c74685a63ee454ac64d1a8.pdfIn PDF document text
- https://static.usrfiles.com/ugd/136d07_e53f6961e6f8490c904e457a1368fa13.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8009/6667/files/actividades_para_nios_de_primer_grado_inicio_de_clases.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3876/1379/files/popix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9299/2410/files/catalogo_de_cuentas_de_empresa_comercial.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_off0000a5aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5AA | 4880 bytes |
SHA-256: 2a0edfe3648e1bb4d01bf6ef42117b79062226b10cc0ba19a0342d94f3e82700 |
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font_01_sfnt_off0000b64b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB64B | 10144 bytes |
SHA-256: 1b202fe63798c2c3e2f1c8a0687d2a0a68d5f0782db509267585cb366fa5d00e |
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font_02_sfnt_off0000d94d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD94D | 16060 bytes |
SHA-256: 73f6f760a67782f27700c3ed047511a210a1e3765a9cc4fd416c63ff6a2522af |
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