MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, many hosted on cdn.shopify.com, designed to appear as legitimate documents. One of these links, https://ttraff.cc/wb?keyword=tetanus%20shot%20cdc%20pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains this malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly supports the malicious nature of this PDF.
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/wb?keyword=tetanus%20shot%20cdc%20pdf
- http://files.turnerschool.com/uploads/1/3/0/9/130970001/3449677.pdf
- http://files.socialjusticemclc.org/uploads/1/3/2/7/132740338/6183263.pdf
- https://cdn.shopify.com/s/files/1/0440/3753/7942/files/86636803066.pdf
- https://cdn.shopify.com/s/files/1/0434/8225/1421/files/zekudimizo.pdf
- https://cdn.shopify.com/s/files/1/0429/2149/2643/files/apache_poi_3._7_jar_file.pdf
- https://cdn.shopify.com/s/files/1/0432/2190/9667/files/political_behaviour_definition.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kazapuv.pdf
- https://cdn.shopify.com/s/files/1/0428/7853/3791/files/histoire_cheikh_ahmadou_bamba.pdf
- https://cdn.shopify.com/s/files/1/0437/5461/9041/files/o_que__storytelling.pdf
- https://cdn.shopify.com/s/files/1/0434/2897/0647/files/schwin_bike_computer.pdf
- https://cdn.shopify.com/s/files/1/0431/6718/7108/files/jugideleludofugetiripi.pdf
- https://cdn.shopify.com/s/files/1/0430/6065/8330/files/lupesevorijepeg.pdf
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/pexubisagen.pdf
- https://cdn.shopify.com/s/files/1/0438/9571/8040/files/notibirotimevilegade.pdf
- https://cdn.shopify.com/s/files/1/0437/8856/6677/files/because_im_happy.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006674.bin8580fb58eac8005541a3fe4da0d84967da3e3fa7b1a36d4248a3bc7edcaf2aa7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6674 | 5064 bytes |
font_01_sfnt_off000077b4.bin41ca3c0714eae887c14e1e69b1789f3bd820a55d40d398720ba3de752834a5b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77B4 | 10140 bytes |
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