MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service, suggesting a phishing or malware distribution attempt. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM indicate that the document is designed to lead users to malicious or SEO-farmed content. The ML classifier also strongly flagged this PDF as malicious.
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.com/wb?keyword=understanding%20individual%20differences%20pdf In PDF document text
- http://files.artbyelinor.com/uploads/1/3/2/6/132681337/2854796.pdfIn PDF document text
- http://files.katenesbit.com/uploads/1/3/2/7/132712661/95c66e871c7.pdfIn PDF document text
- http://files.impulsestudioboutique.com/uploads/1/3/1/3/131380687/palalasakoji.pdfIn PDF document text
- http://jumuzura.morrisadvohealth.com/uploads/1/3/1/3/131379444/28a2c2a04af.pdfIn PDF document text
- http://files.clearlakeecoretreat.com/uploads/1/3/1/4/131438641/4030662.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/1/0430/3169/1421/files/gta_3_android_aptoide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8279/2606/files/12_bar_blues_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4924/6110/files/comparative_and_superlative_adjectives_worksheets_for_grade_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dosoxuwananeworatimuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3679/3237/files/biotic_and_abiotic_factors_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2937/2832/files/kofowazivunobixuzezosu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8698/6908/files/32739560849.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0102/7493/files/65371349104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/52104106863.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8752/8103/files/legujafuvogewosewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9338/4599/files/foweredod.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_off0000a62a.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA62A | 18392 bytes |
SHA-256: 21c48de449849f7b692e0ba5be1df6b2329e582e49cbcf9f171794b25a344df3 |
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font_00_sfnt_off00006ffe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FFE | 5376 bytes |
SHA-256: 2732fd7a5e2b9df43e63f34178ddfa197e860b2173156654ab0a65b8b044aebc |
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font_01_sfnt_off0000825a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x825A | 10476 bytes |
SHA-256: 398d478372fa59be510909adfdd68fea46f9a6f2c398429bc4bcaf9ef978e141 |
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