MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics indicating it is a malicious redirector and part of a link farm. It contains numerous embedded URLs, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, also contains URLs and text related to 'Kansas county abbreviations', suggesting a lure. The primary attack pattern involves directing users to malicious infrastructure through a large number of embedded links.
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=kansas+county+abbreviations In PDF document text
- http://files.olivetteinbloom.org/uploads/1/3/0/8/130873708/8fef9a769c.pdfIn PDF document text
- http://files.makingmathmiracles.com/uploads/1/3/2/6/132682684/6389922.pdfIn PDF document text
- http://files.wesofdes.com/uploads/1/3/2/8/132815054/pasiralapuvel.pdfIn PDF document text
- http://files.shop-phe.com/uploads/1/3/1/4/131455198/zenunavu-towawelef.pdfIn PDF document text
- http://files.emilybridghamportfolio.com/uploads/1/3/1/1/131164402/bb500aaace4.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/1/0432/8266/1532/files/kibosapegijok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2816/0420/files/26488276346.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7143/1065/files/jikabobililofona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7446/2631/files/nejamixelojuponiraj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7972/8281/files/24798309502.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7124/2391/files/98654926963.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0041/3856/files/fopafikutujogagaxubelekil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0143/0695/files/nuriwegixonumigasiga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1479/1069/files/60340489061.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8570/9987/files/jafajexunamijovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85450973079.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5576/6942/files/pewujodugivamifek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5382/5704/files/47917899250.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2936/4885/files/lolifuwojibanu.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_off00009e76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E76 | 5032 bytes |
SHA-256: 66dc4743f46835b5872a6dbbc0c1bd19e146290959371cac332f5b49531230c1 |
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font_01_sfnt_off0000afb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFB3 | 12872 bytes |
SHA-256: 12e3047305611fd3925be61b213003638e6d24dbe077c8c5ad24adab108e59dd |
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