MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a redirector to a fake WinRAR download page, indicating a phishing attempt to trick users into downloading a password-protected archive. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple SEO-optimized links suggests an attempt to improve search engine visibility for the malicious lure. No scripts were extracted, but the overall structure points to a downloader or credential harvesting precursor.
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.com/pify?keyword=winrar+full+32+bit In PDF document text
- http://files.yellowmedicinereviewstore.com/uploads/1/3/0/9/130969831/e722210569.pdfIn PDF document text
- http://files.parkguitars.com/uploads/1/3/1/4/131438018/30c97.pdfIn PDF document text
- http://files.rubberdirect.net/uploads/1/3/1/4/131407227/malefunisiwekos.pdfIn PDF document text
- http://files.mountainvilleumc.com/uploads/1/3/1/3/131398188/dolemote.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/1/0431/7220/0608/files/dimadakaloladagepoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4478/1735/files/wopuzalobovidizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0128/2711/files/24591748607.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7516/5594/files/dixoketap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0591/9903/files/89616592079.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3867/7924/files/voxenok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3670/2870/files/kawanuredejipup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3764/6245/files/41537441182.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4628/1122/files/zosibilipawinizewef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6455/6710/files/45561919326.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1829/6228/files/1660735192.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8126/0440/files/vubitosafabef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2423/7212/files/10689302506.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_off0000755e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x755E | 4688 bytes |
SHA-256: 31cd9e52ed18da52dbc5f20309ad9a065474838493a7c4bbc23d342840e531ea |
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font_01_sfnt_off00008551.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8551 | 10608 bytes |
SHA-256: 5b97f382700e53f89034b740abe90441a5a4a0676ee16eac22a8e053c1de9e52 |
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