MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms this, and the 'PDF_SEO_LINK_FARM' indicates a large number of outbound links, many hosted on Shopify. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be a deceptive link within the document body, likely intended to lead users to 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.cc/pify?keyword=microprocessor+and+assembly+language+programming+pdf In PDF document text
- http://libekunut.thevorsters.com/uploads/1/3/0/9/130969465/2c4d51359ca3040.pdfIn PDF document text
- http://files.osoclean.net/uploads/1/3/2/7/132740187/8602217.pdfIn PDF document text
- http://zezefo.scautoservices.co.uk/uploads/1/3/0/7/130739704/4913322.pdfIn PDF document text
- http://zoveg.raggedmountainrunning.com/uploads/1/3/0/9/130969744/be1307898a2.pdfIn PDF document text
- http://files.heartofachildministries.org/uploads/1/3/2/7/132740716/tokevoguxeteg.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/1/0439/1475/6251/files/81087202132.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0212/6751/files/95765016315.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2988/7136/files/71616465465.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4614/2114/files/41961520891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9456/4252/files/bafiwenubifagujuxolepum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6255/7856/files/rofonemo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1678/0951/files/75537066086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7661/6341/files/nadukorilulolusaxebegat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6360/6429/files/wepunikekiro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6418/0390/files/icse_class_11_biology_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1589944702.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_off00008d83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D83 | 5524 bytes |
SHA-256: c057513ddeb33db54b6776f60bc49fe01a7609b6c6299d1e6c2c7d80e6f57678 |
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font_01_sfnt_off0000a02d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA02D | 13288 bytes |
SHA-256: 2b5bbff478865cecab3230f72d4d8bb29da2cd5c7aa051636b407ed546a2a7c2 |
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font_02_sfnt_off0000ca9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA9E | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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