MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as free educational worksheets. The link leads to a link farm, indicating a phishing or scam attempt. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.
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=free%20math%20and%20reading%20worksheets%20for%20kindergarten In PDF document text
- http://files.highlanderfootball.com/uploads/1/3/0/7/130775853/1c11a0d.pdfIn PDF document text
- http://files.vtbtyogafest.com/uploads/1/3/0/7/130775840/dobigovupu_bokapiradida.pdfIn PDF document text
- http://files.hannahtylerdesigns.com/uploads/1/3/1/4/131406234/lipawuvugafogid_sojinizolekedo_jeposonebitiva.pdfIn PDF document text
- http://files.evildragonfiretheater.com/uploads/1/3/0/9/130969424/967e30b25163c.pdfIn PDF document text
- http://files.solomonbrookfarm.ca/uploads/1/3/1/3/131380915/mabululufuril-wosamanitepo-nawujejenukudo.pdfIn PDF document text
- http://files.lodgestmodan985.com/uploads/1/3/0/7/130775806/jiraxebozavo_jubuwomewomofa_kazilanenidipa_nivuki.pdfIn PDF document text
- http://files.threeriversautomodelers.net/uploads/1/3/0/7/130776502/34d52874e5f9a6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://xazudazeliz.files.wordpress.com/2020/06/77406546526.pdfIn PDF document text
- https://bavewugu.files.wordpress.com/2020/07/supuvosanenesosexepusi.pdfIn PDF document text
- https://filelexasebu.files.wordpress.com/2020/06/89171441652.pdfIn PDF document text
- https://dajajotunur.files.wordpress.com/2020/06/burabod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/filawotosozukoli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/20684433651.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4760/8730/files/lofabafad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7754/1787/files/87553389812.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3481/files/3442650660.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1490/6275/files/xixekunufofarapaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4956/5853/files/25954435708.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5876/4696/files/fokafizerizomazisofawelu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57355052908.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3624/5142/files/lorixukinepuko.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_off0000685e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x685E | 5188 bytes |
SHA-256: 1e04fe38ea26bd155a40abbf661046153bbe31665cd4f4061809c4e61e2945af |
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font_01_sfnt_off000079e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79E7 | 10480 bytes |
SHA-256: 94cb5a48158d78779e14a8251b68150fa51e0cfae2647e55e395fe4785b7765f |
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