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 known malicious domain, identified as a redirector for SEO-based phishing. The document body, though heavily obfuscated, contains text that appears to be a lure related to "Dengue in pregnancy guidelines". The ML classifier strongly indicates maliciousness, and the presence of numerous links suggests an attempt to drive traffic to malicious sites.
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=dengue+in+pregnancy+guidelines In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://static.usrfiles.com/ugd/3bf302_6834a9c5ea3d434ebbe8a154256e994b.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_29761a4f13a847ff9d8959fd0521ee1f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b910ae_3aca4e3c440d4d34961fe2567d80f877.pdfIn PDF document text
- https://static.usrfiles.com/ugd/affaa6_7960ff7f04cc4de799743658c8aaae2f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e3834b_ed83def50bc4472ab1940b641ee6af27.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0453/8662/9288/files/18350785071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3828/3678/files/balesunoxepuwusarexo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3631/8616/files/31713605003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6562/9077/files/ketone_allgemeine_strukturformel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/1617/6036/files/36277996445.pdfIn PDF document text
- https://static.usrfiles.com/ugd/6c98bc_5d17478ad9e74ab7878a7594acf85e2a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/12daa7_fb6cee5bbf6c4fb683ae8d2312653409.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e745be_ca911f780162474eacbe13d7e67a76aa.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ab059d_c19e32a9b29a4bf48f4b33341adfc887.pdfIn PDF document text
- https://static.usrfiles.com/ugd/f55bec_6f5dbdaa8dcd4075bd62fb0f56b89009.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c8df25_8431748c5b6041da80f41c269701b95d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/4dd980_5672a1c98cef4a1c894208466d5a0612.pdfIn PDF document text
- https://static.usrfiles.com/ugd/39d081_6023df014e044353b8777aa958c61af4.pdfIn PDF document text
- https://static.usrfiles.com/ugd/4117a9_4c324d78d43741b78adeb66aac980cd4.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c3f59f_fd2c48b4ba6e4b5fb9046e2f7ce33d08.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001093e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1093E | 5340 bytes |
SHA-256: 1b1856c4f414d47584b7056014dc152560a08942fb174482a8b8f5d1860215a4 |
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font_01_sfnt_off00011b80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B80 | 6148 bytes |
SHA-256: 0b8363bc9e07cf89205331d27bc1c31e4fc91592bb846ce71245372e642e4983 |
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font_02_sfnt_off00012b60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B60 | 10712 bytes |
SHA-256: 90b3efea0c9f3de70b37d4fe199dfe2e73652e8755931dbd668649e8323c8f01 |
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