MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources. The primary malicious link, https://ttraff.com/pify?keyword=business+intelligence+analytics+and+data+science+4th+edition+pdf, is identified as a redirector to malicious infrastructure. The document body, though heavily obfuscated, contains text related to a book title, suggesting a lure for users seeking to download content. The ML classifier 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/pify?keyword=business+intelligence+analytics+and+data+science+4th+edition+pdf In PDF document text
- http://files.chestermolly.com/uploads/1/3/1/0/131070178/4758504.pdfIn PDF document text
- http://files.victoriaessiestudio.com/uploads/1/3/0/9/130969791/1d1dd408d50a.pdfIn PDF document text
- http://files.cranberryportage.net/uploads/1/3/1/4/131483108/mavijufinuraga.pdfIn PDF document text
- http://files.mesabimusicaltheatre.com/uploads/1/3/0/8/130813317/nidabunifaj.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/1/0435/6977/4750/files/1455725537.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3854/6840/files/27772822012.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/89790038357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5962/5627/files/kovazuneligise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5671/7207/files/42103063285.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0705/7825/files/sanitary_engineering_book_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5070/2750/files/beginner_english_vocabulary_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8797/8913/files/mowukezenipatovifiporopog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0252/5856/files/comment_fusionner_des_avec_adobe_acrobat_reader.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/82191842179.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/kuxewitebawaputulikevabab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1021/9432/files/38501881101.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9846/4661/files/68104550676.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8144/0168/files/lojimuvuxokobe.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_off000070d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70D7 | 5560 bytes |
SHA-256: 38d243c8e591688bc449258b94b4df526d53e85463c7679c1475df27cd5cdac2 |
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font_01_sfnt_off000083e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83E0 | 10040 bytes |
SHA-256: 0c1d6ad33d142f7b3205a8e8592862b9e6a8de4c1287f07bdc6a53272feea047 |
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