MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF file contains multiple embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link at https://gettraff.ru/strik?keyword=brihaspati+mantra+in+bengali+pdf leads to known malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many pointing to Shopify domains, suggesting a link farm designed to manipulate search engine results or distribute content. The presence of a visual download button lure further supports a malicious intent to trick the user into clicking the malicious link.
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://gettraff.ru/strik?keyword=brihaspati+mantra+in+bengali+pdf In PDF document text
- http://files.vedajess.com/uploads/1/3/0/7/130738875/9283140.pdfIn PDF document text
- http://files.nhgahplgsresidency.com/uploads/1/3/1/6/131636789/kitumumofumupi-nodafesadak-rosakurovil.pdfIn PDF document text
- http://files.gerardatkinson.com/uploads/1/3/1/4/131406604/liweba.pdfIn PDF document text
- http://vejen.destrierbooks.com/uploads/1/3/1/4/131408899/zevami_kadepidanev.pdfIn PDF document text
- http://files.quartermoonbooks.com/uploads/1/3/0/7/130740211/kepela.pdfIn PDF document text
- http://xaxexemib.janislynnecards.com/uploads/1/3/1/3/131398024/1409669.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0479/1805/5591/files/zegufowulapadijatabab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/67199608184.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8311/8232/files/free_people_search_yahoo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4456/9242/files/kofojusizumom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9501/4042/files/virginia_drivers_license_renewal_over_80.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0495/8561/9094/files/pozujigodus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0482/7575/1067/files/choices_apk_hack_keys.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5247/4267/files/ap_us_history_sat_subject_test_practice.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_off0000513f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x513F | 5644 bytes |
SHA-256: 0b78aeb1e37ca57616029573425570f463bc62174d924bfc044c89ca4a5518e2 |
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font_01_sfnt_off00006443.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6443 | 10008 bytes |
SHA-256: 5ee6be185654ea2ed9116057b194fb98b037b5ba8d01d2c8f24f79a202caaf75 |
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font_02_sfnt_off000086d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86D1 | 3076 bytes |
SHA-256: 8386501574fc7cf210cd188d79e5b0c10d6582fd7405989fb9fa9954bc04555e |
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