MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with one heuristic specifically identifying it as a PDF SEO link farm. The primary malicious link, 'https://ttraff.com/pify?keyword=biguanides+davis+pdf', is flagged as a redirector to known malicious infrastructure. The document body is heavily obfuscated and appears to be largely metadata rather than user-readable content, suggesting its purpose is not informational but rather to host these links.
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=biguanides+davis+pdf In PDF document text
- http://files.childrensmarketatthemill.com/uploads/1/3/2/6/132682040/bonoripo.pdfIn PDF document text
- http://files.renaissancesingersretreat.org/uploads/1/3/0/9/130969999/9275181.pdfIn PDF document text
- http://files.gapco.online/uploads/1/3/2/7/132712127/ac0265cc3778.pdfIn PDF document text
- http://files.myremio.com/uploads/1/3/2/6/132695698/zevufiritip.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/1/0428/6706/4998/files/51287292187.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9699/8048/files/mevofix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8933/0330/files/88295493325.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8476/7641/files/kireweteg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4347/1003/files/20132428028.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5064/7204/files/wogisoratopimilul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6693/1862/files/23588387755.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8792/1313/files/tafekumodiwalinix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4743/5940/files/jaxujuzumuse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8991/2218/files/vekujaxumajizelepa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5275/9200/files/93511877591.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6091/2537/files/nepemifarizel.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_off00017823.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17823 | 4884 bytes |
SHA-256: 32171bd3ce2e33ada42e1ce924c7b2c076713adbeb68e02aaf8ce138fe31a31f |
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font_01_sfnt_off000188da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x188DA | 15264 bytes |
SHA-256: eca5849db3e47f8d4b6001d07cd8c5d342c6cedef25672b76c9c56a7480098bc |
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font_02_sfnt_off0001b948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B948 | 16160 bytes |
SHA-256: 9759ce8d6b03285eaaf0b3a467cae172b6556f7d7d175f3d646a9f0b73e2040d |
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