MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=dtcc+blockchain+pdf', suggesting a lure to a malicious site. The presence of numerous Shopify-hosted PDF links indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the true destination.
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=dtcc+blockchain+pdf In PDF document text
- http://xavudivi.nmdnyi.com/uploads/1/3/2/7/132740541/6700393.pdfIn PDF document text
- http://files.johnandbeckyadoption.com/uploads/1/3/0/7/130776006/e42f456b.pdfIn PDF document text
- http://telodawo.welcometo6h.com/uploads/1/3/2/6/132681352/kezomoge.pdfIn PDF document text
- http://files.art2day.co.uk/uploads/1/3/0/7/130740256/7629612.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.fontrix.comhttp://www.nhncorp.comIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1005/6615/files/bagutidukizuwomilagado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0321/3984/files/curriculum_vitae_formato_da_compilare.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8158/0200/files/falekadubogegosezeten.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kofuka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8451/2418/files/woxuvikosuvurekejilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6125/6091/files/ratemobepivizixorarad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/all_in_the_family_theme_song_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0047/1456/files/xilidefavexuxabotixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4346/2037/files/72649907616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/4261/4945/files/chapter_10_capital_budgeting_techniques_solutions_gitman.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/cholecystitis_management.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_off0000613b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613B | 5172 bytes |
SHA-256: e62447c99d360276c4907418932da0e40ec2b55c90ebba2a13436e245c988c60 |
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font_01_sfnt_off000072c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C8 | 10004 bytes |
SHA-256: e2f2fcd185e1447dc8161a926454e86ef4bf23f5b9c24ccfa30343053fc5b4c7 |
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font_02_sfnt_off000094f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94F8 | 2944 bytes |
SHA-256: 8b6580eb7e18fde2b368b9fa166a7c4083fb741d140892367d10ed76c63f30df |
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