MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, but the primary link directs to a known malicious redirector. This suggests a link farm or SEO poisoning tactic to drive traffic to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/wix?keyword=sap+netweaver+bw+7.3+-+practical+gui
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/fenuwamutopufafa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bifezunelavezide.pdf
- https://cdn.shopify.com/s/files/1/0434/1956/6231/files/14789666019.pdf
- https://cdn.shopify.com/s/files/1/0427/9359/9132/files/cognos_11_active_reports_tutorial.pdf
- https://static.usrfiles.com/ugd/b8c837_187e6a07cd594147978832de4c0a387d.pdf
- https://static.usrfiles.com/ugd/b8c837_3dadca1a3511476bbd9011da8b4af329.pdf
- https://static.usrfiles.com/ugd/b8c837_ffe18ebf45f244ad9de6b3ea605aeb29.pdf
- https://static.usrfiles.com/ugd/b8c837_b8813a76683e41758b0793fc6c1a0021.pdf
- https://cdn.shopify.com/s/files/1/0433/9548/1750/files/free_html_template_homepage.pdf
- https://cdn.shopify.com/s/files/1/0428/0870/5187/files/11985167649.pdf
- https://cdn.shopify.com/s/files/1/0463/0917/9554/files/december_1963_piano_sheet_music_free.pdf
- https://cdn.shopify.com/s/files/1/0461/1457/0404/files/19901358526.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000051e4.bindfe8b45c0b7f81e25f54e671e1b6c5fdf8caa0002479d85b8c2869a77bfaaab5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51E4 | 5624 bytes |
font_01_sfnt_off0000653a.bin712988f0da0f5ba1708ad4b1a74ab5fb5d0724d5ffa65a5a5b45c238457b01a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x653A | 10200 bytes |
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