MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one prominently leading to a malicious redirector at 'https://ttraff.com/pify?keyword=lean+six+sigma+green+belt+exam+pdf'. This URL is designed to lure users into clicking by impersonating a legitimate document title. The PDF also exhibits characteristics of a link farm, with numerous links pointing to various resources, including benign Shopify URLs, suggesting a broad distribution or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious.
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.com/pify?keyword=lean+six+sigma+green+belt+exam+pdf In PDF document text
- http://files.ervenavenue.com/uploads/1/3/2/6/132681812/6356718.pdfIn PDF document text
- http://files.cherrycreekcheer.com/uploads/1/3/0/8/130813550/zebobeke-pupadat.pdfIn PDF document text
- http://files.thenorthwestblogger.co.uk/uploads/1/3/1/0/131071067/xolusifuxutip.pdfIn PDF document text
- http://files.bgiapts.com/uploads/1/3/1/4/131437380/kopobekonarug.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/1/0440/2351/3238/files/29552160113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7221/6483/files/in_search_of_lost_time_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4933/6483/files/emergency_care_13th_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9812/0094/files/kipigixeduwir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40035930655.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1701/7256/files/vadifegutuxotixixurirazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jojanasesejunuveko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7779/4982/files/pusepipodilidaruwod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6775/3116/files/causes_of_bantu_migration_from_luba_lunda_kingdom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5804/4827/files/82278810790.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5312/0664/files/lumaxebakokipodamanif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0918/7750/files/lesut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3161/6923/files/66464075882.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3593/0273/files/nawubixalajoxodaxigezatu.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_off00006437.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6437 | 5508 bytes |
SHA-256: 2ed1f2b95d2fcc2b5b209d2f26ab206da95663e1d8b40eed982be34edee8901c |
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font_01_sfnt_off000076d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76D9 | 11356 bytes |
SHA-256: 2475e637f00d53738ab678a86a677b0f68811bcdc3433a3823c9b3b803efef4e |
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