MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which points to a known malicious redirector (ttraff.com). The document body, though heavily obfuscated, contains text related to 'cystic fibrosis treatment guidelines australia' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier also strongly indicated maliciousness. No scripts were extracted, limiting the analysis of direct execution behavior.
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=cystic+fibrosis+treatment+guidelines+australia In PDF document text
- http://buzon.colinguthrieking.org/uploads/1/3/1/6/131637881/135865.pdfIn PDF document text
- http://files.daffodilacres.com/uploads/1/3/0/7/130775171/6878424.pdfIn PDF document text
- http://xovipob.uniquelyyourscandles.com/uploads/1/3/1/3/131381428/siwawurekaxiwene.pdfIn PDF document text
- http://jojane.vineleavespress.com/uploads/1/3/2/3/132303382/nofajaz-vuxagewotepamin-tomosok.pdfIn PDF document text
- http://files.stfrancesbasketball.com/uploads/1/3/0/7/130775102/3353682.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/2807/0052/files/lebamuguzuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6285/3794/files/jozijikoregukufoted.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8014/6339/files/53348694552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6348/4315/files/vemunexusuwewaram.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0574/7108/files/fosew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6889/8966/files/43953255520.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9588/2918/files/43374352881.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6926/8373/files/fda_vaccine_adverse_event_reporting_system.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2281/8200/files/laweliruzadofopelilibagup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8612/2901/files/estrus_synchronization_protocols_in_dairy_cattle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/juzopuzenafososokazulu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7471/4790/files/happy_birthday_cake_photo_image.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5429/3402/files/64371901563.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3762/9348/files/birurofefuwodapakuw.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009c64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C64 | 5488 bytes |
SHA-256: 1f6ca2d47c2233fcdccf664dd7af983195bf82acf2203c69724bfc0a6c8939ce |
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font_01_sfnt_off0000aef2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEF2 | 11304 bytes |
SHA-256: 470d8828d8c6da4b967b92ff698c1846c880e3e78097742697ba87dee110b40a |
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font_02_sfnt_off0000d3f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3F0 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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