MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links and a visible call-to-action button, masquerading as educational content. These links, particularly the one to 'ttraff.ru', are flagged as malicious redirectors and part of a link farm, indicating a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=past+simple+irregular+verbs+exercises+pdf+1+eso In PDF document text
- http://files.victoria13gla.ca/uploads/1/3/0/7/130776060/rutedigasefo_ripekinal.pdfIn PDF document text
- http://xunezixo.elisecillustration.com/uploads/1/3/1/6/131607712/nonabupoj.pdfIn PDF document text
- http://files.browngirlpen.com/uploads/1/3/1/4/131408432/wawolubujelu_belorixefesepuj.pdfIn PDF document text
- http://dovupir.noirfashion.net/uploads/1/3/2/6/132695569/86eee326de.pdfIn PDF document text
- http://files.domesticfabrics.com/uploads/1/3/2/6/132681213/e39174837ab14c.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/1/0434/5639/7464/files/bozijukikaxudodusa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5340/8675/files/21702231417.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0455/4794/6149/files/weberezizezarof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6982/files/89080838745.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0760/4896/files/gabokorovetizezo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8671/6830/files/36997589703.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3448/3616/files/losiluvavasiraxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6346/6389/files/88185807647.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6370/4729/files/convert_arabic_to_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7909/0854/files/31180192573.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4916/4693/files/78159795907.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7265/8335/files/christian_community_bible_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1617/5263/files/48940945086.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_off000056ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56EF | 5796 bytes |
SHA-256: 3f54ebbfc4bd66d0e5b1c6218b83e7fa6557e812b0ddbf06d7a136d9c6990ec9 |
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font_01_sfnt_off00006a9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A9F | 9944 bytes |
SHA-256: 453b49942d1d8c6781e415633508a30372788e83e6acc0f03d93d4588ad24b66 |
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