MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically a redirector at 'ttraff.ru' which is associated with SEO link farms and phishing lures. The document body text, though partially corrupted, includes keywords like 'Prince2 2020 pdf download' suggesting a lure for obtaining a document. The ML classifier strongly flagged this PDF as malicious, and multiple heuristics indicate malicious redirector links and a link farm, pointing towards a phishing or scam attempt.
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=prince2+2020+pdf+download In PDF document text
- http://files.kawarthafootclinic.com/uploads/1/3/2/8/132814166/7599963.pdfIn PDF document text
- http://files.dhbeautybar.com/uploads/1/3/1/3/131397971/ridafifog-fufifovetane-zuvidobeles.pdfIn PDF document text
- http://xavavob.megjade.com/uploads/1/3/0/8/130814397/36b7b5708937b2.pdfIn PDF document text
- http://files.italianstringsacademy.com/uploads/1/3/0/8/130874358/fekemazo.pdfIn PDF document text
- http://files.bgreenyoga.com/uploads/1/3/1/8/131856907/zidagodubobadagud.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/1/0433/7270/7990/files/9625537002.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58863311498.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3120/7837/files/bukimufizonolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5335/0040/files/sefumibekiletekotiwijibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4361/8969/files/kujafegegup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4168/5665/files/2608314516.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0445/9168/files/rasimilomunilobugiwujetak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2707/1130/files/6435994749.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7114/3078/files/jukotagiragivegurebozibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/telisupuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1992/6679/files/andhra_bank_atm_card_application_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6230/5702/files/zinizet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1352/8987/files/59563442747.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_off00006850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6850 | 5340 bytes |
SHA-256: e5c2a6042c83be5cfd2a69ee34d8d8a0be08db04202eed791989e9978f00a787 |
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font_01_sfnt_off00007a9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A9D | 14732 bytes |
SHA-256: 5d2d9481e8381221135e14744132ecfa71e57a759f5938cdeafd24f3d9600716 |
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