MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'Sundaram BNP Paribas Mutual Fund Fact Sheet', suggesting a lure to disguise malicious intent. The presence of a callback phishing lure heuristic further supports the malicious nature of the document, indicating it may prompt users to call a fraudulent number.
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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.ru/pify?keyword=sundaram+bnp+paribas+mutual+fund+fact+sheet In PDF document text
- http://files.northernumpires.com/uploads/1/3/0/8/130814200/maridof.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/1/0437/0304/2216/files/pdf_to_word_nitro_online_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7723/7913/files/22000401488.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5548/0981/files/nivedometejovudefanawure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2301/5836/files/bebux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6819/4978/files/51863514774.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1518/4277/files/genestealer_cult_codex_8th.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0513/2445/files/44029338343.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7328/9888/files/zepejegefolu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2275/1643/files/49598808858.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9114/0510/files/62508818949.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_off00005228.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5228 | 5636 bytes |
SHA-256: 9ad2cb43735dbfd5e49799ce2d1dccbcebbec44057cdcf8c967cf7a3a019e4d7 |
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font_01_sfnt_off00006519.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6519 | 10440 bytes |
SHA-256: 5ffab727e060283f67e14f943d826154dfcd1887c4fcebddabd647f41ea47709 |
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font_02_sfnt_off00008904.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8904 | 16164 bytes |
SHA-256: c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e |
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