MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with the primary link directing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that leads to the redirector, suggesting a social engineering lure. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted, but the presence of numerous links indicates a delivery mechanism for further malicious content.
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/pify?keyword=michigan+alcohol+screening+test+spanish+version+pdf In PDF document text
- http://files.picsaacademy.com/uploads/1/3/1/6/131607363/zutewag-niluwap-ravulabunudala-novamesezag.pdfIn PDF document text
- http://files.soashistoryresources.co.uk/uploads/1/3/1/4/131453132/59b61eb41a94f.pdfIn PDF document text
- http://files.dannyandmickey.com/uploads/1/3/2/6/132695416/9539604.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/1/0435/7675/4344/files/wolozojuzibakomavoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1827/2423/files/wisixapunebudeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6640/8603/files/xomawojelegelok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8239/0431/files/11635770648.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3625/3087/files/manual_dexterity_meaning.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5961/7690/files/wizurukejidepetajagij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3206/8775/files/22103477193.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/0145/0396/files/valor_nutricional_de_las_carnes_rojas_y_blancas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5413/5456/files/plural_of_sheep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6079/7333/files/bobcat_331_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pinabazebovo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7096/3350/files/96557973384.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6916/8021/files/71366514439.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_off00006850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6850 | 5268 bytes |
SHA-256: 721df6fd1cdf8b69f6e7725cb7d689c5f571b4ecffa81a733837f5095d79e4e6 |
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font_01_sfnt_off00007a3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A3B | 10616 bytes |
SHA-256: d9ca553169e36ef06639cd45de4da451081fafcc232e7a4946984e1cb998a5eb |
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font_02_sfnt_off00009e5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E5B | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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