MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The primary malicious URL, 'https://ttraff.ru/pify?keyword=anthony+burgess+shakespeare+pdf', is likely used to lure victims to a compromised site. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a link farm or SEO poisoning tactic to distribute the malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=anthony+burgess+shakespeare+pdf In PDF document text
- http://kivurarup.misfitangelsrescue.org/uploads/1/3/1/8/131871674/faradikuxakidep_wadega_negeribitukiba.pdfIn PDF document text
- http://files.walnutlakepreschool.org/uploads/1/3/1/6/131637529/fd195ae2593b.pdfIn PDF document text
- http://files.narinesookram.com/uploads/1/3/1/4/131483584/xidenike.pdfIn PDF document text
- http://files.irishracehorseowners.com/uploads/1/3/0/9/130969790/4233656.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/1/0427/5470/3526/files/12130013464.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6948/8798/files/dficit_de_cido_flico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8351/4527/files/75213199497.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6671/2479/files/79879736811.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nasodidupafulad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1337/3084/files/9926263514.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9110/7752/files/fomibetunoxodure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8118/8003/files/zisagogisuxox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8643/8807/files/vita_spas_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4719/7594/files/gifajegefiban.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1355/4855/files/78689858970.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5086/8646/files/2288773624.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3697/8849/files/recent_advances_in_food_biotechnology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4398/6330/files/pipikawe.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_off00006dda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DDA | 5564 bytes |
SHA-256: c1d6110dc8e9ae3245c92d47bbaf75ef8a23d5545d32383ac09f01e00d406430 |
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font_01_sfnt_off000080d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80D6 | 9920 bytes |
SHA-256: 48f67341e47661cf76ffb249886262104019d11bddb0886a58a6d433a54e5bb1 |
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