MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a poem explanation. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL and references to 'wkhtmltopdf', suggesting it was generated programmatically to host a link farm. The presence of numerous Shopify-hosted PDF links, many of which are benign, serves to mask the malicious redirector.
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/pify?keyword=ode+to+autumn+poem+explanation+pdf In PDF document text
- http://files.gemflo.com/uploads/1/3/1/4/131406780/xekuzazokunupa_bidibaje_kodex_zeketev.pdfIn PDF document text
- http://files.writerstellall.com/uploads/1/3/1/3/131380511/gidopogisunit.pdfIn PDF document text
- http://files.lolas-ecec.org/uploads/1/3/0/7/130775275/6b08118285f.pdfIn PDF document text
- http://files.aerohydroacoustics.com/uploads/1/3/0/8/130815303/xubipinifujesusesov.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/1/0429/3056/9382/files/zevorevasot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4235/4853/files/zekid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6636/8935/files/98640544139.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8419/3697/files/ti-_83_plus_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3572/8794/files/vobixebozelibes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6635/8934/files/75888589902.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0064/3236/files/8262687923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3055/9390/files/sidonirugenifuxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2540/6874/files/gunovategunipuvu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7400/2837/files/27630587439.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2606/9157/files/41378793595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/jogewavili.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5564/4823/files/letter_b_tracing_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3127/3383/files/vafurufenisuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4234/0007/files/gekunaremix.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_off0000785c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x785C | 5008 bytes |
SHA-256: 54a4ae359cb60ecdd15aa02d6d7906776f6732e58bb0e7c34abecf3bd44fc39b |
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font_01_sfnt_off0000895f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x895F | 10176 bytes |
SHA-256: 06fe103bc439e8c344461aac0bdf6839675f62e0f90e02a58e4aef7e62b90f1a |
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