MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document was flagged by a machine learning classifier and contains multiple embedded URLs. One URL, 'https://ttraff.cc/wb?keyword=nuages%20gris%20liszt%20pdf', is identified as a known malicious redirector. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm intended to obscure the ultimate destination and potentially distribute malicious content or engage in phishing. No scripts were extracted, but the PDF structure and embedded links strongly indicate a malicious redirection attempt.
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=nuages%20gris%20liszt%20pdf In PDF document text
- http://files.memorybengesa.org/uploads/1/3/1/8/131871650/turobuwupalafo.pdfIn PDF document text
- http://files.belarte-ardeco.com/uploads/1/3/1/3/131384777/safoginonolelag.pdfIn PDF document text
- http://files.littlegemscreations.com/uploads/1/3/0/8/130874122/907901.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/1/0445/6543/0431/files/cfp_exam_prep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8286/6083/files/5734798429.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3667/2162/files/38140124426.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8413/6086/files/44915423589.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2135/3635/files/nirugotijatenovufifeja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2710/2876/files/wagusuwuxelosowoputa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3886/6593/files/dosep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/69038133435.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0326/3650/files/89828039154.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8537/3333/files/fozomixupilalutazor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6992/1688/files/da_form_3349_fillable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7719/8229/files/xajasesirozotoro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0737/6546/files/vukupowelemumurazojita.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_off00006649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6649 | 4052 bytes |
SHA-256: 98a51f99cd6ac000b394ef9afdb55fc10cb666ff1a483547688115ac599b14b2 |
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font_01_sfnt_off000074a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74A4 | 5228 bytes |
SHA-256: fc5131077d6083c4cd20acbf7bb2a7067fe094bbd9d319d2ad95914f56564cc1 |
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font_02_sfnt_off00008685.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8685 | 13704 bytes |
SHA-256: 8967882f1879c70fdf38893b5578eac839af53c91381bb3f30fd62dbbd46b3c2 |
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