MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to what appears to be a link farm hosted on Shopify, designed to obscure the ultimate destination. One of the primary links, 'https://ttraff.ru/pify?keyword=sing+shout+alleluia+pdf', is flagged as a malicious redirector. The document body itself contains obfuscated text and the URL 'https://ttraff.ru/pify?keyword=sing+shout+alleluia+pdf', suggesting the intent is to redirect 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.ru/pify?keyword=sing+shout+alleluia+pdf In PDF document text
- http://files.lockmangenetics.com/uploads/1/3/0/7/130775383/nizejab.pdfIn PDF document text
- http://files.argos101media.com/uploads/1/3/2/6/132696077/xuwetus.pdfIn PDF document text
- http://rewilul.wstcharity.com/uploads/1/3/1/6/131606295/sureme_xekoz_tufigunonoz.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/1/0428/7974/6201/files/jomat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5357/9430/files/tezefesokewakolifofe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7883/4583/files/agricultural_extension_and_rural_development.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0723/8567/files/xevopuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2505/5389/files/87712380552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8896/0933/files/gitegigutiverimonu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3775/3501/files/ketumawiji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/1264262209.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1141/5959/files/suxajimojepibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wojilezufaguxulidumusad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6402/4479/files/24591313813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9515/5105/files/67689958011.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7217/3733/files/apostila_para_auditor_fiscal_da_receita_federal.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_off00006555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6555 | 3772 bytes |
SHA-256: 9c1feca71d7d772e5a2ac2ac49eb9d5d46298dea4699e89d39fe8eb91bf8a02f |
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font_01_sfnt_off0000728e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x728E | 5312 bytes |
SHA-256: 6051289822ef7043cd0c0fca441a08ff7128975c89b7c7012e191e6499c51983 |
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font_02_sfnt_off00008499.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8499 | 10000 bytes |
SHA-256: 17922d1884e437f539c64fbb7dcdd03c3d3b88994cc946427908041e63175ff6 |
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