MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wb?keyword=let%20it%20rain%20piano%20chords%20pdf', which is flagged as a malicious redirector. This suggests the document is part of an SEO poisoning or phishing campaign designed to lure users 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.cc/wb?keyword=let%20it%20rain%20piano%20chords%20pdf In PDF document text
- http://files.shopplumgifts.com/uploads/1/3/2/8/132814343/zamifagebevigaleg.pdfIn PDF document text
- http://xozex.benmarshallwriter.com/uploads/1/3/0/7/130775432/gunuzodi_zogonosudutox_ketivofo.pdfIn PDF document text
- http://files.redbirdvocalmusic.com/uploads/1/3/2/7/132712163/feninili_rigev_rapinoragode_nutumoges.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/1/0437/0015/8629/files/ganewej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1124/3162/files/kitetogi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5107/3174/files/itext_add_png_to.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5211/3820/files/revenue_recognition_methods.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8095/8617/files/cake_by_the_ocean_mp3_download_skull.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65621046881.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0319/8114/files/zowixijezosif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7046/3912/files/42451735283.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2344/5666/files/english_to_french_dictionary_with_pronunciation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/5794/1402/files/supusonenexodubuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6086/2874/files/aldehydes_ketones_and_carboxylic_acids_ncert_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8914/9608/files/vadisasuzolefawekapebi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/4323/8567/files/catecismo_da_igreja_catlica_livro.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_off0000477a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x477A | 4940 bytes |
SHA-256: 9dd9ed5e66b45a3fded9b9d8bd8d20489a4684ac0824bf5af7002edf98258d32 |
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font_01_sfnt_off00005831.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5831 | 12184 bytes |
SHA-256: a0f5bf04215a84a39f700085120fa2dbf64bdd4711525851d5ef0932e47e4f33 |
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font_02_sfnt_off00007e6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E6C | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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