MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.com) and then to various PDF files hosted on Shopify and other domains. This behavior is indicative of a link farm or phishing lure designed to drive traffic to potentially malicious content. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=amu+b+tech+entrance+syllabus+pdf+download In PDF document text
- http://files.dickbrown.us/uploads/1/3/2/7/132740458/bosivug_zugerovitolo_zavot_lasusonora.pdfIn PDF document text
- http://files.sehasedona.org/uploads/1/3/1/3/131383754/rutapomotafav.pdfIn PDF document text
- http://files.devinbanerjee.com/uploads/1/3/0/7/130739214/1729058.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/1/0429/8833/9361/files/22781185483.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9004/3285/files/metinivotiliru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9159/1321/files/65822851973.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46552055365.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7833/6165/files/gikokogamujililowidokiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6379/5096/files/wemuwopolavarison.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7960/6176/files/wifajimipifedimegimepi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9446/6969/files/take_back_your_marriage.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0637/7633/files/38654455851.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3655/7987/files/zukelukov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2982/1600/files/gekigot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0426/4602/files/jumodavuxisozivoz.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_off00006aa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AA1 | 5716 bytes |
SHA-256: 9916928837ecc4bd9c79e2e1f7dd7ce7f0e805420cf7546639af3bba1414c227 |
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font_01_sfnt_off00007dfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DFB | 2320 bytes |
SHA-256: d97e055e11de589539a249dfdf9c15aca1e9caf4700104d1763a3a5d87d8f7f2 |
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font_02_sfnt_off0000884d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x884D | 10220 bytes |
SHA-256: b2a9ca57ffa4b23026ec7d7fdf8829b96feaefca08d8a78f01801896bbabc8dd |
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font_03_sfnt_off0000ab3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB3B | 16224 bytes |
SHA-256: 207faf14306426b668b87aba0c9d447b8ba40b67f0f7b18660ffa0d3c8132265 |
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