MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a redirector service identified as malicious. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector, suggesting a phishing or scam lure. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
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.ru/pify?keyword=advanced+excel+practice+exercises+pdf In PDF document text
- http://gututeg.kmccreations.com.au/uploads/1/3/1/4/131453850/rujovivavanagabol.pdfIn PDF document text
- http://files.lovelivesfoundation.com/uploads/1/3/2/7/132740237/livasijix_guwiravilo.pdfIn PDF document text
- http://files.communitychurchofpraise.com/uploads/1/3/1/4/131482931/7b5677722b32c7.pdfIn PDF document text
- http://files.zaccheosgunsmith.com/uploads/1/3/1/6/131607027/b45df1e.pdfIn PDF document text
- http://files.nikkileahdesigns.com/uploads/1/3/0/7/130776141/zezovafu.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/1/0430/7910/6724/files/tojinedetit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/1748/2919/files/acls_study_guide_2015.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7381/4172/files/53229597873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/moxudenolaruxorurafugi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1822/1730/files/56244704673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6766/0706/files/poxamewirap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2906/1032/files/how_to_generate_random_numbers_in_r.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4472/4133/files/wibifodikapulilokijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35209966956.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3718/7493/files/voxogapeginobisagube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3626/9983/files/57617255139.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000077df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77DF | 4944 bytes |
SHA-256: 41d8d4d1a661e9334f108c18dbd4812dce169e8577eda3e3f01d87b57d3f9a33 |
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font_01_sfnt_off000088ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88BA | 10204 bytes |
SHA-256: dc663b9d649745909cf0194d7ac12299061d5c893c5a6f012377ccd1021e7617 |
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font_02_sfnt_off0000abeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABEB | 16144 bytes |
SHA-256: 2a5f1667c2e343500efde63e3dd6a136498333968b1680966ac5eb34589f1174 |
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font_03_sfnt_off0000c0ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0EA | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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