MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple critical heuristics as a malicious redirector and link farm, indicating an attempt to distribute malware or phish users. The document body contains a URL that leads to a redirector, which in turn points to a large number of other PDF files hosted on Shopify and other domains, likely as part of an SEO-based distribution scheme. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=free+excel+spreadsheet++for+mac In PDF document text
- http://lunum.qwikpicz.com/uploads/1/3/0/8/130814575/bezut.pdfIn PDF document text
- http://files.hunterjkeane.com/uploads/1/3/2/7/132740278/a5cd0399f9f32.pdfIn PDF document text
- http://jeragu.digitalmortgageloan.co/uploads/1/3/0/9/130969306/643245.pdfIn PDF document text
- http://vilefi.ethnolibrary.org/uploads/1/3/1/4/131453062/vuwilevowuxi_mimunasukax.pdfIn PDF document text
- http://files.instantresultswithkate.com/uploads/1/3/1/8/131859042/dulivi.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/1/0431/1787/1255/files/86537924422.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7310/0184/files/ati_teas_study_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4439/7468/files/sugorojirosubenuze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1416/8480/files/lifubofufopadodil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1473/9352/files/42622781042.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0804/8808/files/zujegileledatazijalufonu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3486/1987/files/51849215447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0936/6427/files/bujiwitedo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6559/0438/files/xibikapubugukixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6097/7048/files/68739626815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9507/2673/files/b_tech_information_technology_uj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3258/9989/files/fanotim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9588/2918/files/19998323108.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_off0000901d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x901D | 5416 bytes |
SHA-256: ebed176683122274b04903d083d4d2bdc3aa9247aa5d765da7fdd7bc14657ba7 |
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font_01_sfnt_off0000a268.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA268 | 10316 bytes |
SHA-256: 0f8e7d3fed4984f7768d01f1901f813ac5dee9f42d65d18df7aadf4c27be5d5f |
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