MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF document contains multiple links to a redirector infrastructure, specifically advertising a 'free download' lure for 'Corel videostudio pro x9'. The document also contains instructions to disable security software, indicating a malicious intent to bypass defenses. The presence of numerous links to external PDFs suggests a link farm designed to attract search engine traffic and distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=corel+videostudio+pro+x9+free+download+full+version In PDF document text
- http://files.nevereverdull.com/uploads/1/3/0/7/130776130/bosekodarep.pdfIn PDF document text
- http://files.faithcheraw.org/uploads/1/3/1/8/131871642/gowadifewojewet_tojuzolupamex_kidevusej.pdfIn PDF document text
- http://files.creativesolutionscounseling4kids.com/uploads/1/3/1/0/131070618/fuzizutujasoma-gikekujunar-garejozuvojos-jomuvo.pdfIn PDF document text
- http://files.vonderhauswulfgermanshepherd.com/uploads/1/3/0/8/130813797/fivepeno.pdfIn PDF document text
- http://kudix.kofc6065.org/uploads/1/3/0/9/130969060/8f8d136730dd40a.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/1/0428/2191/0694/files/tafef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6810/2558/files/bizaxojidojimutivetur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5314/6517/files/android_graphics_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0582/8520/files/wosari.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1756/0473/files/pesitinetivajegaper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/0479/9639/files/cisco_catalyst_9000_platform_stackwise_virtual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7755/8681/files/girerusebepodeki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0200/2584/files/zezoxobanavowidovumiv.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_off00005158.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5158 | 5316 bytes |
SHA-256: 3437898e35ba0b75d767d24b95f4a4dac28da9080e3c46955e0a51e6822f6aec |
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font_01_sfnt_off00006392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6392 | 10308 bytes |
SHA-256: e7249b64bc591137cf51b33f98b2738e70b6d1fc2b797dc8981c7ce1376b2dcd |
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