MALICIOUS
202
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 'ttraff.com'. Additionally, it exhibits characteristics of a link farm, with numerous external PDF links, many hosted on 'cdn.shopify.com'. The document body, though heavily garbled, contains text related to converting PDF to images and mentions 'wkhtmltopdf', suggesting a potential lure to disguise malicious content. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic further supports the idea of a user-driven action to initiate a malicious workflow.
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=chuy%25E1%25BB%2583n+%25C4%2591%25E1%25BB%2595i+t%25E1%25BB%25AB+file+pdf+sang+h%25C3%25ACnh+%25E1%25BA%25A3nh In PDF document text
- http://files.aloenottingham.com/uploads/1/3/2/6/132696351/84004f905d118b1.pdfIn PDF document text
- http://files.familyrecoverysolutions.net/uploads/1/3/1/0/131070895/6368661.pdfIn PDF document text
- http://files.guerasboutique.com/uploads/1/3/2/3/132303151/442422.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/1/0428/2348/3548/files/tewavepen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/fumumopu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5756/9176/files/29008583480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2571/0750/files/40198201226.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5263/7091/files/13270768390.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/51251291699.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lorabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3213/3278/files/30042516428.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4803/4716/files/soduxofozo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9961/9492/files/36194334877.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6122/9206/files/85397023003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6942/3269/files/tagumujanenitozivu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65788935473.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_off00008034.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8034 | 6144 bytes |
SHA-256: b800617f76db028443e72ffd573235dcb0fc6450991d8959ee6194b09783930a |
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font_01_sfnt_off000093ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93EE | 10496 bytes |
SHA-256: fa9f5dbdbb9427a44d432115199e029854ab5bd5d0a991850c3699e5acdbad8f |
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font_02_sfnt_off0000b7c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7C5 | 16684 bytes |
SHA-256: 8afa5c58491584559c08e2b00c093151bbc2737ebeb0f8dba3133450c0463f2f |
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