MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded URLs, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL and references to other PDFs hosted on Shopify, suggesting a link farm or redirection scheme. The primary attack pattern involves luring users to malicious sites via these links.
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=to+kill+a+mockingbird+quotes+chapter+1
- http://pipojifik.geminimusicaltheatre.com/uploads/1/3/0/8/130814328/jorofaxemodole_tasopimamubose_guwukigig_pukesiwevawi.pdf
- http://files.unogroup-ucsd.com/uploads/1/3/1/0/131069978/628148.pdf
- http://files.frenchvintagehifi.com/uploads/1/3/1/8/131856330/pefeja.pdf
- http://wipusatab.silkysbrooklyn.com/uploads/1/3/1/4/131452923/7909275.pdf
- https://cdn.shopify.com/s/files/1/0433/5176/9256/files/galactic_love_app.pdf
- https://cdn.shopify.com/s/files/1/0436/4884/3929/files/57401910787.pdf
- https://cdn.shopify.com/s/files/1/0437/9879/0301/files/ruvupivesigivovegu.pdf
- https://cdn.shopify.com/s/files/1/0427/4061/3286/files/vitezopinorolirodi.pdf
- https://cdn.shopify.com/s/files/1/0437/4023/3880/files/unity_2019_android_sdk_path.pdf
- https://cdn.shopify.com/s/files/1/0434/0350/9914/files/picture_word_association_worksheets_kindergarten.pdf
- https://cdn.shopify.com/s/files/1/0436/1935/2740/files/wasewesijekovopubamus.pdf
- https://cdn.shopify.com/s/files/1/0430/0275/7281/files/xenupokek.pdf
- https://cdn.shopify.com/s/files/1/0429/6104/3605/files/vowepukapudos.pdf
- https://cdn.shopify.com/s/files/1/0433/5845/3928/files/adenoma_hipofisario_funcionante.pdf
- https://cdn.shopify.com/s/files/1/0432/7846/7222/files/poxusovasotofudaluduz.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_off000062be.binf109e59985e636927f128bcc90d1351ce1bf34721948f6de4a6672625d962439 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62BE | 5820 bytes |
font_01_sfnt_off00007653.bin20d04a02edddc5714c73995faf152edc7ad284f1ba92cbeb3e058170426c53e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7653 | 11572 bytes |
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