MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector at 'ttraff.ru', which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=introduction+to+geographic+information+systems+pdf+download', reinforcing the malicious redirector's presence. No scripts were extracted from this sample.
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.ru/pify?keyword=introduction+to+geographic+information+systems+pdf+download In PDF document text
- http://lavexite.beachartstudio.org/uploads/1/3/2/6/132695663/8996598.pdfIn PDF document text
- http://files.srabonikar.com/uploads/1/3/2/6/132695620/difebemages_zemowukusofel.pdfIn PDF document text
- http://files.lazyacrescampground.net/uploads/1/3/0/8/130874501/4f0616361.pdfIn PDF document text
- http://files.coachpbasketball.com/uploads/1/3/1/4/131437530/votem-setixefudaxa-buzejusovez-potuvan.pdfIn PDF document text
- http://files.fourpawsdoors.co.uk/uploads/1/3/0/8/130874431/bejegasasokome.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/1/0431/8131/0114/files/fozebakoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8849/4236/files/wovidirefalize.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1016/2837/files/rivosikowumoxetuwur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6522/1028/files/33721161836.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4950/0328/files/sazewerijixasokig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/43868426119.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1235/6253/files/lijupiresedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4235/5865/files/4205396862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6999/7217/files/37657823514.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7244/4823/files/wexuleza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29121996303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/voriwatovetizejewadodo.pdfIn PDF document text
- https://www.cancer.gov/coronavirusIn 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_off00006371.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6371 | 5584 bytes |
SHA-256: 2e875ce0683dccd1cfb588c0f1a3fc3f3596b68caeb6e85d688a4fe1a0f66214 |
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font_01_sfnt_off00007655.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7655 | 10748 bytes |
SHA-256: 847c83d63f5d89fa50f640716368611ba83827ae85de64c83241e945e8182b47 |
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font_02_sfnt_off00009b03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B03 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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