MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with a critical heuristic firing indicating it points to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains references to 'Arcgis 10.7.1' and a URL that redirects to a Shopify domain hosting a PDF, suggesting a link farm or SEO spam campaign. The ML classifier also strongly flagged this PDF as malicious.
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.cc/pify?keyword=arcgis+10.+7.+1
- http://files.nataliebratcher.com/uploads/1/3/1/3/131381288/zidinetudor_wezavibovin_memak.pdf
- http://files.achieve-st.co.uk/uploads/1/3/0/9/130969354/3154054.pdf
- http://kugavo.churchwellness.net/uploads/1/3/0/8/130874588/jijufipuko_pikora.pdf
- http://files.durhamroofing.org/uploads/1/3/1/4/131455543/c60c4335dff7e62.pdf
- http://sosose.valiantfew.org/uploads/1/3/1/4/131437502/wapijevaxo-posaza.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/2491/5359/files/dizuluzofiluwuted.pdf
- https://cdn.shopify.com/s/files/1/0430/8667/6117/files/morofeka.pdf
- https://cdn.shopify.com/s/files/1/0433/3741/6869/files/20988872552.pdf
- https://cdn.shopify.com/s/files/1/0430/4614/2106/files/50334610308.pdf
- https://cdn.shopify.com/s/files/1/0430/8962/5250/files/lorebemupuxazefiromade.pdf
- https://cdn.shopify.com/s/files/1/0427/4742/9031/files/77873924121.pdf
- https://cdn.shopify.com/s/files/1/0434/6462/2242/files/envato_elements_mailchimp_templates.pdf
- https://cdn.shopify.com/s/files/1/0431/2131/1898/files/nivufadagopifot.pdf
- https://cdn.shopify.com/s/files/1/0437/3767/7989/files/21269103918.pdf
- https://cdn.shopify.com/s/files/1/0434/8067/8564/files/81849717953.pdf
- https://cdn.shopify.com/s/files/1/0437/8905/8206/files/8635564420.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_off00005f6d.bin3d10336d07b704e91a68264bcf2894f67231edec1cb51719a938a2f2899e48fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F6D | 5020 bytes |
font_01_sfnt_off000070a7.bin79190b7bd9b179842cac3f0fbded1f207274e167e0cd575ed4a85e5620184433 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70A7 | 9856 bytes |
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