MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=beginner+new+headway+pdf. The document body, though heavily obfuscated, also contains this URL and other links pointing to Shopify domains, suggesting a link farm or redirection scheme. The ML classifier strongly supports the malicious verdict.
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=beginner+new+headway+pdf In PDF document text
- http://files.groupj.net/uploads/1/3/1/6/131606094/3ed6f5dfc.pdfIn PDF document text
- http://files.fincalossuenos.com/uploads/1/3/2/8/132815190/rozegorejija.pdfIn PDF document text
- http://files.homecade.com/uploads/1/3/1/1/131163667/fujavuposukomo-nofubax-mojemalup.pdfIn PDF document text
- http://files.arrowheadchoirs.com/uploads/1/3/1/6/131637240/215c806.pdfIn PDF document text
- http://files.s2ccinema.com/uploads/1/3/2/6/132695734/pawotas-ribokinuwoji-sorotamepolu.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/1/0428/6201/8716/files/30861810698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8760/9497/files/talomobaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4619/9711/files/12377419514.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4007/2092/files/sedinobobolesapur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/moxudenolaruxorurafugi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7954/1671/files/gazotexafumikoxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9244/2264/files/5951467455.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0331/3308/files/mudobavinobigitudamuketo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2385/9873/files/betakerelarituk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0118/2370/files/pumaxenetajegezito.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7166/7352/files/lupibejo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7003/7924/files/80141033955.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9977/5381/files/bawakijugudiwafuwizowi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7526/2869/files/xadafavarigiviwadosadav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70278744099.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_off000062b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62B7 | 5336 bytes |
SHA-256: e35772fe5aca69b9332ed872c40ec9d6b160e3a367134f59678ce5159a366a58 |
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font_01_sfnt_off000074fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74FA | 10788 bytes |
SHA-256: fecfb265996cff6646fb8bd1ce3f009d1a3be2a36b6d187a3fd4c0fc3a357a2f |
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