MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains embedded links that lead to a known malicious redirector, disguised as a promissory note template. The heuristic firings indicate a malicious redirector and a link farm, suggesting a phishing or scam attempt. The document body, though partially corrupted, contains keywords related to financial documents and the malicious URL, reinforcing the lure.
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=promissory+note+to+pay+off+debt+template In PDF document text
- http://files.rnshomerenovations.com/uploads/1/3/0/7/130776110/vudiser.pdfIn PDF document text
- http://widuxenu.bizcontrol.net/uploads/1/3/1/4/131483025/dujisudotusixo.pdfIn PDF document text
- http://files.lydiaw.com/uploads/1/3/2/7/132710765/mebevo.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/1/0429/6556/5589/files/degifuwad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4261/9035/files/xununudivaxosada.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0935/1575/files/human_anatomy_atlas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5158/8507/files/forms_space_and_order.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2906/1032/files/best_website_to_marathi_movies_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0755/5222/files/nolag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8575/8628/files/74592749294.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7260/0729/files/xitagusaledikekowisipag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7494/5184/files/80718861549.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7850/7934/files/26383604461.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1350/5185/files/rebukikedimoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9063/2101/files/nomigafosadazopadopawinof.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_off000083fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83FC | 5220 bytes |
SHA-256: c261bedc05d838da1978f1d0b1fde1aa91dc50f71e72d523e2274c57f5ef7a7d |
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font_01_sfnt_off00009596.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9596 | 10548 bytes |
SHA-256: 5e7bb769a8c817d35eec776dbfb638761aa22830109ee6da1fdedbc252afff54 |
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font_02_sfnt_off0000b9ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9AE | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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