MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to redirectors like 'ttraff.com', suggesting a phishing or malware distribution scheme. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' strongly indicate malicious intent, likely to trick users into downloading further payloads or visiting malicious sites. The presence of a 'download button' lure reinforces this conclusion.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/pify?keyword=c%25C3%25A1ch+chuy%25E1%25BB%2583n+file+pdf+th%25C3%25A0nh+h%25C3%25ACnh+%25E1%25BA%25A3nh In PDF document text
- http://files.belllog.org/uploads/1/3/0/7/130775827/2358242.pdfIn PDF document text
- http://files.suttas.com/uploads/1/3/0/9/130969565/9463821.pdfIn PDF document text
- http://files.magriverwhitecottage.com/uploads/1/3/1/4/131411199/6335617.pdfIn PDF document text
- http://files.chikuniradiozm.org/uploads/1/3/0/7/130739991/gixinetuwuk-beruwidopax.pdfIn 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/1/0435/5126/0823/files/getuvijolorijafeguvuzirop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7732/8278/files/tejeluwotexuwegokabadu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4895/9141/files/matoguwokivetavidebavux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7270/7990/files/lasofamijaruf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2060/7900/files/86135339484.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5742/2229/files/46625004681.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6404/1373/files/weruz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7259/3820/files/77436556976.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4317/6091/files/catalogo_baterias_bosch.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7029/9038/files/77820033977.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/76184932547.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2588/2518/files/5391459285.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_off00006361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6361 | 5760 bytes |
SHA-256: afa2fda44b003e3cbe95cf2af7a53b3451f2e4a3da82c7c09c8527a13cedf26f |
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font_01_sfnt_off0000758e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x758E | 11292 bytes |
SHA-256: 2193810714c814c901bf0979360eba7e8046dc0b91ab087b7a06d41d5d6d68cc |
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font_02_sfnt_off00009a75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A75 | 16376 bytes |
SHA-256: f267a97a42ed964490c0c36cf8d24d30f5cfc386ee24850e75bb3a4991f11828 |
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