MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to domains associated with redirectors or link farms. The document body text and embedded links suggest a lure related to 'Rurouni Kenshin episode 1' to entice users to click on these malicious URLs. The presence of a redirector link and a mass link farm indicates an attempt to drive traffic to potentially harmful sites.
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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=rurouni+kenshin+episode+1 In PDF document text
- http://files.tothemoonandbackrabbits.com/uploads/1/3/1/4/131454216/mipigebutiv.pdfIn PDF document text
- http://files.awoodmadeco.com/uploads/1/3/0/9/130969967/5519886.pdfIn PDF document text
- http://files.foreverflagpoles.com/uploads/1/3/1/1/131163846/pegarifa.pdfIn PDF document text
- http://files.kidbookreviewer.com/uploads/1/3/1/4/131407111/perit.pdfIn PDF document text
- http://files.wewillservethelord.org/uploads/1/3/0/7/130776786/jugad.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/1/0428/4124/3814/files/90872143036.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/88075317933.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0455/8488/files/zedidorek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5238/3904/files/lidelofakodutelira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3615/5809/files/lukibotelegozokis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2880/6808/files/71966937997.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0333/0208/files/28031075944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3694/2234/files/37792215245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6022/3397/files/fudafokewakutegav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1567/3752/files/tufufutovamu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2912/6550/files/zedemapomuwasexamipop.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_off000081b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81B5 | 4728 bytes |
SHA-256: 20f75e879ee350afde2ee944afb268e708623c3c40a9625ef715954ebd944124 |
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font_01_sfnt_off000091ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91BA | 10028 bytes |
SHA-256: e73bb63608ec93bd2444fae236e61f7a0af121f2ab4f357679b50d0fc1bd7144 |
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font_02_sfnt_off0000b41d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB41D | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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