MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains embedded links and a document body that mimics a system error message, instructing the user to click a link to resolve a 'bootres.dll corrupt windows 10' issue. This is a social engineering tactic, likely to trick the user into downloading a malicious payload. The primary redirector URL, https://ttraff.cc/pify?keyword=bootres.+dll+corrupt+windows+10, is flagged as malicious, supporting the malicious verdict. The PDF also contains a large number of links to other PDFs, suggesting a link farm for SEO manipulation or to distribute further malicious content.
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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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.cc/pify?keyword=bootres.+dll+corrupt+windows+10 In PDF document text
- http://files.synergy-electrical.com/uploads/1/3/1/3/131382092/1191589.pdfIn PDF document text
- http://files.brandonarthurshindolcsw.com/uploads/1/3/1/4/131437308/8401160.pdfIn PDF document text
- http://files.aelc.org/uploads/1/3/0/7/130775672/lagujumejunesof.pdfIn PDF document text
- http://files.nancyjocullen.net/uploads/1/3/2/6/132682441/4745502.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/1/0431/2743/9526/files/sepudikorus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7614/8643/files/matricom_g_pad_ex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0204/3288/files/96692315999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1385/7692/files/wujetenosepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2949/4933/files/67065715507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5170/3706/files/68320593197.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9311/5558/files/gowezux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2561/3475/files/semofuxekijinedusad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40133843423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/runuwadobona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/bupuzepikogu.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_off000060ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60AC | 5224 bytes |
SHA-256: 892f2fc704048fb456762b459e91e73725cd31c95c088d2122753c4d8d64f763 |
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font_01_sfnt_off000072a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72A6 | 10052 bytes |
SHA-256: 757ab9037416efa2b46d139afe9cf289f368f1245014e8c0d40f51ad346894ae |
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