MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL is https://ttraff.cc/wb?keyword=ac%20joint%20pain%20exercises%20pdf, which is flagged as malicious. The document body, though heavily obfuscated, also contains this URL, suggesting it's intended to lure users into clicking it for a malicious purpose, likely to download a second-stage payload. The ML classifier strongly supports the malicious verdict.
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.cc/wb?keyword=ac%20joint%20pain%20exercises%20pdf In PDF document text
- http://files.francoisdesign.com/uploads/1/3/1/6/131606674/1b188ce7defe.pdfIn PDF document text
- http://files.zaitoldme.com/uploads/1/3/1/0/131070938/d799ddf32.pdfIn PDF document text
- http://files.eviman.fi/uploads/1/3/0/8/130814342/tukipevidulodeboda.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/1/0428/9835/8432/files/rewosegukedisupagur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81397135942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20424522606.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mirogorozizodixomalejog.pdfIn PDF document text
- https://gepuwovu.files.wordpress.com/2020/06/39210398804.pdfIn PDF document text
- https://suxeniruwip.files.wordpress.com/2020/07/tutujelerefoza.pdfIn PDF document text
- https://dokukikudif6291172.files.wordpress.com/2020/07/luxazujutazuletanogo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/63517780522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2067/3433/files/boxulesikotomososup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8917749958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86562581376.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2609/6036/files/feworemasawopezegusu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/35362843850.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6888/3098/files/punegavusitenoge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48975286879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/furufewojob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vibemegabixowosepabotabux.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6027 | 5036 bytes |
SHA-256: cc7ecd9d1f7aef65918db0791bf3e485ec276f952003367b6415ae674ff09a60 |
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font_01_sfnt_off0000714f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x714F | 10152 bytes |
SHA-256: 4308621e4cbb39ec7eecfa70b5286e81b9795df4e3395fd89bde367fd8ea104b |
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