MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, a common tactic for SEO link farms and redirecting users to malicious sites. One critical heuristic identified a link to a known malicious redirector infrastructure, specifically `https://ttraff.cc/wb?keyword=tesseract%20ocr%20pdf%20to%20text%20python`. The document body, though heavily obfuscated, contains text related to 'Tesseract OCR PDF to text Python', suggesting a lure to attract users searching for this topic.
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/wb?keyword=tesseract%20ocr%20pdf%20to%20text%20python In PDF document text
- http://files.modernandminimalist.com/uploads/1/3/0/8/130873997/nemezafazunek.pdfIn PDF document text
- http://files.theresearchmonster.com/uploads/1/3/0/7/130738988/jusibagun_jewevuxodirome.pdfIn PDF document text
- http://files.margaretstewart.com/uploads/1/3/0/7/130740561/3452434.pdfIn PDF document text
- http://files.geoffreybshort.com/uploads/1/3/1/1/131163914/wumabemozor_suzom.pdfIn PDF document text
- http://files.eastfallsfarmersmarket.com/uploads/1/3/0/7/130775558/8476810.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/1/0430/6901/4177/files/nipurabojawavujogowamax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9009713252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/81645231680.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4393/0791/files/taseletarosixubafepof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9032/1313/files/mubanubazupemo.pdfIn PDF document text
- https://wozimupo.files.wordpress.com/2020/07/11791157562.pdfIn PDF document text
- https://jugowaxefij.files.wordpress.com/2020/06/80811020007.pdfIn PDF document text
- https://xumelureda.files.wordpress.com/2020/06/bamizolipolabosasas.pdfIn PDF document text
- https://wavogufelo.files.wordpress.com/2020/07/30642462332.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zorugeligix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75555741983.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/benivat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20931566490.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2358/0830/files/87821641580.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2214/0063/files/70690381225.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_off0000856f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x856F | 5068 bytes |
SHA-256: 30b3513bdb5da3890f3c202d3bf1038a8145b49eadd470d8e50b0e5f4161eb81 |
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font_01_sfnt_off000096a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96A8 | 10748 bytes |
SHA-256: a45870ac9039f881f482d8f593596290deca276e6a4e961b7cf78b6ef7dcdb26 |
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