MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to known malicious infrastructure, specifically a URL designed to lure users with a fake software download. The document body, though heavily obfuscated, contains the redirector URL and references to legitimate-looking PDF files hosted on Shopify, likely as part of a link farm to improve SEO for the malicious redirector. The presence of multiple PDF link farm heuristics and a malicious redirector link strongly indicates a phishing or scam attempt.
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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=avg+internet+security+2019+free In PDF document text
- http://lawixafo.ikhlastours.co.nz/uploads/1/3/2/3/132303093/9422080.pdfIn PDF document text
- http://files.kwikstand.com/uploads/1/3/0/9/130969300/e14c94b0c2541.pdfIn PDF document text
- http://bufubeli.dfsmt.net/uploads/1/3/1/3/131383483/73653.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/1/0428/9835/8432/files/67142307476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6908/6623/files/human_warrior_leveling_guide_classic.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4134/7994/files/goriralijidoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5732/3933/files/givezukaxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9903/6573/files/4th_grade_math_constructed_response_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0835/0619/files/paleo_diet_plan_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1535/6067/files/luwozavujo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32600433864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3672/8744/files/siwexum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4012/files/ailing_planet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupenase.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5552762143.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7400/9753/files/linesajamadusox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/3601/1678/files/tizoj.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_off0000603e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x603E | 5440 bytes |
SHA-256: e6d07a9c1f583024686e27161f8b3e15b9eed155fd348eb5e9dfe98807dc38fa |
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font_01_sfnt_off000072f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72F0 | 9956 bytes |
SHA-256: 97a58421bb6f02d44c7e803c48cd116baf93925b4a0e8392dfcc3f5fb3fb5951 |
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