MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to redirector infrastructure, indicating a link farm or phishing lure. The ML classifier strongly flagged this PDF as malicious. The embedded document body text and heuristics suggest a lure to download a file, likely leading to further malicious activity via the redirector.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=da+form+1594+pdf+fillable In PDF document text
- http://files.vanessaarmandtesol.com/uploads/1/3/2/7/132740291/142095.pdfIn PDF document text
- http://files.bioskosmoschurchgov.org/uploads/1/3/1/4/131437889/nanolid-bekalataxukiwi-nujakowene-wonulupepisif.pdfIn PDF document text
- http://files.hoffnungfuerallechurch.com/uploads/1/3/1/8/131856713/sugigesipi.pdfIn PDF document text
- http://files.okrarestaurantgroup.com/uploads/1/3/1/3/131398242/c09e9d6bf1d.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/1/0433/5131/0488/files/97589159167.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3058/5239/files/vexotazivukitep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4411/8423/files/56732204552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3015/1330/files/17373670849.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/laxigitifudavizemitipa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4586/3067/files/pegajorawubalade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1097/4111/files/kiwufe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5258/7415/files/dexogubopabizabataxuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/80941451808.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/63828121087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9114/0501/files/buvezopukewudofalorivaboj.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_005_off00007eb4.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x7EB4 | 18512 bytes |
SHA-256: aaf77fbcd5d8bde8e415ed0d7ea5635602ad5eae16f0b231ad425aa5d51097f7 |
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font_00_sfnt_off00004782.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4782 | 5568 bytes |
SHA-256: 28c071ee39e96249abfd3aeb2116deadda0ae224be6e03c31a883231fb37d753 |
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font_01_sfnt_off00005a66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A66 | 10948 bytes |
SHA-256: 9dedecfbc5e7ce94a5561977ee471f5aebc82d41c01af932a819ccd92b22a8f1 |
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