MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with a critical heuristic firing for a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains references to JavaScript and PDF functions, and the primary malicious URL is a redirector designed to lure users. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=built+in+functions+in+javascript+pdf In PDF document text
- http://files.grillo.ch/uploads/1/3/0/9/130968947/tixugovexizunivanap.pdfIn PDF document text
- http://vozomal.maximebc.com/uploads/1/3/1/1/131164250/2068f27d8.pdfIn PDF document text
- http://files.thewizardsmessage.com/uploads/1/3/0/9/130969701/6169144.pdfIn PDF document text
- http://files.harrisallen.org/uploads/1/3/1/6/131637108/05d14a33252.pdfIn PDF document text
- http://files.fuelmusicstudio.com/uploads/1/3/2/8/132815207/4300404.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/1/0430/5915/1009/files/2678554669.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5692/2777/files/48928494604.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1712/6556/files/4856_fillable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3876/7266/files/xabaxeril.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6007/5427/files/makajuwevefosofojowovo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7748/2136/files/sri_rama_raksha_stotram_telugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0151/1064/files/resmed_airsense_10_clinical_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/rafajafemevem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/titigabibuzumazavuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5306/9974/files/business_plan_proposal_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8266/9464/files/muluwetozonul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2970/6390/files/20360961014.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_off00006330.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6330 | 5336 bytes |
SHA-256: aa8bdaff8ddde914fb2446213c9abe9ee22b9e451db694af6977aa3864f4f4d5 |
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font_01_sfnt_off00007570.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7570 | 2024 bytes |
SHA-256: 5d59e80714f055d0e20d1c4ed594903f00ea25dd365ddc0e243c90ca16be52db |
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font_02_sfnt_off00007f08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F08 | 11536 bytes |
SHA-256: b8a9582eb11b2cb157930ce66a2e457fc6ee520e8c0dcbb8518adfe5479c0a4f |
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