MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'https://ttraff.ru/pify?keyword=apple+ringtone+remix'. Additionally, it exhibits characteristics of a password-protected archive lure, suggesting the PDF itself is a decoy to facilitate the download of a password-protected payload. The document body, though heavily obfuscated, contains the malicious URL and numerous other PDF links, likely part of a link farm to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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.ru/pify?keyword=apple+ringtone+remix In PDF document text
- http://files.kickstart-hr.com/uploads/1/3/1/1/131163949/detopanibiki.pdfIn PDF document text
- http://files.wow.yez.dk/uploads/1/3/0/9/130969300/950705.pdfIn PDF document text
- http://nofuvufo.shopcatchboutique.com/uploads/1/3/1/4/131438539/ramogipuvurube.pdfIn PDF document text
- http://files.learn-bhangra.com/uploads/1/3/0/7/130775554/7398052.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/1/0430/8402/1921/files/puvukinepelorezozelal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2971/7407/files/wudupuwobinenabafav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3432/8738/files/wojararumemelit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2146/5757/files/21402837896.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zutazalurofesavasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4639/6326/files/installing_kong_locally_on_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1619/9064/files/21207503461.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4183/2615/files/59894928857.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9001/7430/files/puwekiralisobadifutokinek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6992/3740/files/55155839814.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2296/7207/files/45646114788.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4617/4877/files/97349650314.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3645/8654/files/how_to_reverse_linked_list.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_off00006676.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6676 | 4596 bytes |
SHA-256: dd30aab97d2e24bc9985e954c563b6c4157b9301a7ee8bfab5f2acda56a5f0c8 |
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font_01_sfnt_off000075f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75F4 | 9900 bytes |
SHA-256: 1401a5e866b96b822d418459a0881096e5abf05805dbbd447ef457b93cf17b34 |
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font_02_sfnt_off000097c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97C6 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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