MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a link farm of 18 external PDF links, with the primary redirector pointing to 'ttraff.com'. The document body, though heavily obfuscated, suggests a lure related to a 'Cypress annual report'. The ML classifier strongly indicated maliciousness, and the presence of numerous links to external PDFs hosted on platforms like Shopify, combined with a malicious redirector, points to a social engineering attempt to drive traffic to malicious content.
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=cypress+annual+report In PDF document text
- http://files.tinagutierrezartsphotography.com/uploads/1/3/0/7/130775383/remax-taxopugazaledu-fuluxibejurifuj-lavosiraleset.pdfIn PDF document text
- http://files.greaternewhopelr.org/uploads/1/3/1/6/131606127/c0dd0eb1d9.pdfIn PDF document text
- http://files.woodlandsfrenchies.com/uploads/1/3/1/3/131383553/buvomagedax_dopiriveluk.pdfIn PDF document text
- http://files.regenerativebusinessinstitute.com/uploads/1/3/1/3/131379049/887970.pdfIn PDF document text
- http://files.moreheadtheatre.org/uploads/1/3/0/7/130775521/puguzujijamolor.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/1/0430/0357/6481/files/detis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8016/3227/files/31325127626.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2469/4942/files/gosibiziretirup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0801/6027/files/77140583715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6345/1560/files/sunilejanawojimiwuna.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8933/0325/files/muviwanaxuxijumel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nulifagavukaxubodipiripu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2806/7990/files/biripuvejepatoxazeko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1024/3229/files/ganixizolopo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3874/4476/files/97334669002.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/jokepitefimawibugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7519/0422/files/44197909798.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1288/0544/files/tawim.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_off0000d533.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD533 | 4772 bytes |
SHA-256: 4a362fb9ceae412cd0960f09a9fbaf00447233aeab7ec04c19bc19121e256302 |
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font_01_sfnt_off0000e582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE582 | 16448 bytes |
SHA-256: 790bdae16fe98eae07d72128ce9837e9c580ec9752aefe1257f1f4bd6efae512 |
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