MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body, though partially corrupted, contains text related to a book title and the malicious URL, suggesting a lure for a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=cambridge+english+for+the+media+student+s+book+pdf In PDF document text
- http://files.drickahair.com/uploads/1/3/1/4/131438658/6269460.pdfIn PDF document text
- http://files.odinshorsewoodworks.com/uploads/1/3/1/4/131407406/dolibiguwe.pdfIn PDF document text
- http://files.faithinteriordesign.com/uploads/1/3/0/7/130775505/katufekebi-ketozel-tunowibeni-fuzuzodi.pdfIn PDF document text
- http://jatalaxek.comoxmobilemassage.ca/uploads/1/3/0/8/130814328/kuredosuvezokefiles.pdfIn PDF document text
- http://files.northernsmokers.com/uploads/1/3/1/4/131437464/sodom.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/1/0435/3523/7269/files/pajejamugiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3849/8206/files/69557117469.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4605/0714/files/first_law_of_thermodynamics_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8697/7949/files/60636520348.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3100392900.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7950/7870/files/14962738638.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3878/4158/files/kekokakutuzigu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9010/8833/files/62823104211.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72593533024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4605/1744/files/linux_command_line_to_jpg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5526/7496/files/riguf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7676/4327/files/38803814892.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8799/5807/files/zefelavapobegabewunosoka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8580/0358/files/8438617664.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/laxefasigapabaxirasu.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_off00004e93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E93 | 5564 bytes |
SHA-256: 83c79c98ec476b81c6736577b7eeebe864c81c61d59d5a2bef353c8ed88de936 |
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font_01_sfnt_off0000614d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x614D | 10936 bytes |
SHA-256: ca8b2db9c85535de824f52f346aa03eeecd55e7ef5894ca74b3d84d24616c520 |
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