MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a programming book, suggesting a lure. The presence of many Shopify links, some benign and some unknown, indicates a link farm strategy to obscure the malicious redirector.
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/pify?keyword=beginning+xcode+swift+3+edition+pdf
- http://jivudor.geoprogrammes.com/uploads/1/3/0/9/130969744/55130.pdf
- http://files.jeanpierrebanville.com/uploads/1/3/0/7/130776204/b8928944ce.pdf
- http://files.changethenarrative.net/uploads/1/3/0/7/130739232/kederam-bezodel-pixupon-zezekabilimofow.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/1540/5725/files/33556258517.pdf
- https://cdn.shopify.com/s/files/1/0434/0305/1171/files/nufozapanopimef.pdf
- https://cdn.shopify.com/s/files/1/0435/1551/0938/files/libro_de_canciones_infantiles_para_imprimir.pdf
- https://cdn.shopify.com/s/files/1/0429/6572/9429/files/ridadipijujubutupuma.pdf
- https://cdn.shopify.com/s/files/1/0429/5317/9289/files/86310620830.pdf
- https://cdn.shopify.com/s/files/1/0431/9910/3136/files/xodawenolugedaguzeke.pdf
- https://cdn.shopify.com/s/files/1/0432/1977/9742/files/kekobelufila.pdf
- https://cdn.shopify.com/s/files/1/0429/5698/0377/files/59557071204.pdf
- https://cdn.shopify.com/s/files/1/0435/2566/9028/files/kozakebadefokifinu.pdf
- https://cdn.shopify.com/s/files/1/0429/8450/5498/files/47734996221.pdf
- https://cdn.shopify.com/s/files/1/0434/4433/8838/files/14197123530.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006664.bincbb67183ab97cb7fb3d399ef5015122723729acba056d1d9ab3be8a0c2acc062 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6664 | 5356 bytes |
font_01_sfnt_off000078cc.bincb03acd017500927988b7e50e495582682f6c23237ddc20251056c6592ca1707 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78CC | 2744 bytes |
font_02_sfnt_off00008478.bin5fb87d92b4dd1ef1f9fa36584eaa619bd2fb1894653232c2a22ca59d53ba05d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8478 | 10420 bytes |
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