MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to external resources hosted on Shopify. One prominent link, 'https://ttraff.ru/pify?keyword=vbu+b+tech+syllabus+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of numerous links and the malicious redirector indicate a likely attempt to distribute malware or conduct phishing by directing users to compromised or malicious sites.
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=vbu+b+tech+syllabus+pdf In PDF document text
- http://files.roxysloclashnbrowbar.com/uploads/1/3/1/3/131380024/dotujovejojowojiv.pdfIn PDF document text
- http://files.stpetetowtrucks.com/uploads/1/3/0/7/130776864/sodelewopumi_gisiwezaxenog.pdfIn PDF document text
- http://files.georginawithers.com/uploads/1/3/1/3/131398108/3782566.pdfIn PDF document text
- http://files.tosharollins.com/uploads/1/3/1/3/131380175/6798f1648b38.pdfIn PDF document text
- http://rubufe.hikingnewfoundland.com/uploads/1/3/0/7/130775350/wabijixif-dagoruj-navutixem.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/1/0440/3170/5238/files/6492971740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0720/3739/files/3719119441.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/13652925252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3519/6568/files/77373557642.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1367/5928/files/pakuleziberutag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8523/4338/files/19663335901.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8206/2753/files/tewefopewitazegunozogipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6805/4940/files/65788980576.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3799/0805/files/automatic_door_control_system.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9358/0189/files/caracteristicas_da_familia_fabaceae.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3741/6869/files/wunedogalaze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/introduccion_a_la_administracion_publica_argentina.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_off0000753a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x753A | 5356 bytes |
SHA-256: 2ffdb6d1286364982ddad7dfe9239bf4382b469e1446feddfbc92f2c1b4b2e37 |
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font_01_sfnt_off0000877c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x877C | 15520 bytes |
SHA-256: 308b9f7fefcdf68fcd3a3a0f6d7ee2db99ac77707eb8765d4b48b7dce4b27338 |
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