MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious redirection and a link farm, with a critical finding of a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. The presence of lures for clipboard command execution and browser extension installation suggests a social engineering attempt to trick the user into executing further malicious actions.
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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=r%252F+piracy+megathread In PDF document text
- http://files.nowlunenburgcounty.com/uploads/1/3/0/7/130775284/286957.pdfIn PDF document text
- http://files.communityconnectionsaz.org/uploads/1/3/2/6/132683181/6f2fdfffdeecc3.pdfIn PDF document text
- http://files.timsfantasytips.com/uploads/1/3/1/4/131437295/fubaluwomu.pdfIn PDF document text
- http://files.fantaminals.com/uploads/1/3/0/9/130969385/mekufogudozujupov.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/1/0439/2180/1371/files/fl_studio_9.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1888/7073/files/basubimusu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0892/4568/files/32107619032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9614/6074/files/kuxokogi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6268/9946/files/67276319121.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9907/8299/files/52298776878.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9037/8903/files/67524944131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0178/1156/files/39185829289.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2218/6653/files/46129928095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6878/3766/files/vuzukalixuvivo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9232/8104/files/79539918706.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_off00017435.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17435 | 5424 bytes |
SHA-256: cda8c15e371ecf4addadcdb193e58fed86a7641d0abfcc88bf7bc8703f76cf87 |
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font_01_sfnt_off00018685.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18685 | 1964 bytes |
SHA-256: 1d18534733479c870a78c46a90b83ed8aff410c3511f6838c5b83347f92bfa48 |
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font_02_sfnt_off00018fdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18FDF | 11972 bytes |
SHA-256: 7972fcb2b896467ab696d11f61872bc1b45a1b6d4d9a6bb429a3f8ae0921a6ce |
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