MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=fun+addition+and+subtraction+worksheets+4th+grade'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous external links, with the first being 'https://cdn.shopify.com/s/files/1/0439/0898/9096/files/sijux.pdf'. The document body, though heavily obfuscated, contains these URLs, suggesting the document's primary purpose is to drive traffic to malicious infrastructure.
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=fun+addition+and+subtraction+worksheets+4th+grade In PDF document text
- http://files.justballoonshawaii.com/uploads/1/3/1/4/131438018/zopesemovupuz_kirawedure_dizijewefevire.pdfIn PDF document text
- http://vugitape.rarefieldcattery.com/uploads/1/3/0/7/130776089/76a698.pdfIn PDF document text
- http://zuvugofaf.deiduemondi.com/uploads/1/3/1/3/131383314/1413362.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0439/0898/9096/files/sijux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5598/6341/files/8248606381.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1629/6360/files/redarumarigepejanunejovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9137/7828/files/lonomujoxufepazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3951/5039/files/afcat_exam_question_paper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6241/8847/files/32693915269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6660/5219/files/18064906026.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5247/4267/files/jevujagaruxususexenu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5331/7272/files/antipatterns_refactoring_software_architectures_and_projects_in_crisis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5144/1562/files/govefuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2591/4262/files/job_application_letter_with_resume_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6400/8610/files/wijuvabowomibosodi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1123/3176/files/rate_confirmation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5693/8658/files/borderlands_3_legendaries_list_spreadsheet.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_off00007246.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7246 | 5392 bytes |
SHA-256: c51d8dbad2a087ca27025d025bc95713b5cd3f43b32baf72bb695671200b21ab |
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font_01_sfnt_off000084ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84AB | 9992 bytes |
SHA-256: 6cee93a96bbc69be8c585ba397c14c96bbeb5ef23b42c394d7b4704668b200c3 |
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font_02_sfnt_off0000a6d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6D3 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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