MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=first+lego+league+challenge+guide+city+shaper'. The document body, though heavily obfuscated, also contains this URL and other Shopify links, suggesting a link farm or SEO poisoning tactic to distribute malicious content. 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.com/pify?keyword=first+lego+league+challenge+guide+city+shaper
- http://lisateguf.nourishdiy.com/uploads/1/3/1/4/131407469/bononanoke.pdf
- https://cdn.shopify.com/s/files/1/0432/6424/5925/files/komatsu_d_575a.pdf
- https://cdn.shopify.com/s/files/1/0434/2009/0535/files/programa_escolar_de_proteccion_civil.pdf
- https://cdn.shopify.com/s/files/1/0428/1984/6311/files/el_aparato_digestivo.pdf
- https://cdn.shopify.com/s/files/1/0435/7410/0127/files/imessage_for_android_apk.pdf
- https://cdn.shopify.com/s/files/1/0433/7899/9446/files/nuzogobepekasixafupize.pdf
- https://cdn.shopify.com/s/files/1/0437/3797/2897/files/biwujir.pdf
- https://cdn.shopify.com/s/files/1/0430/9054/2743/files/pevojiwijalido.pdf
- https://cdn.shopify.com/s/files/1/0454/0334/0968/files/field_report_on_yamuna_biodiversity_park.pdf
- https://cdn.shopify.com/s/files/1/0434/9945/4629/files/94673264116.pdf
- https://cdn.shopify.com/s/files/1/0430/4230/8250/files/90990103874.pdf
- https://cdn.shopify.com/s/files/1/0429/2853/7753/files/refusajorupemekomukivu.pdf
- https://cdn.shopify.com/s/files/1/0434/4306/0901/files/55583388232.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_off000051c1.bin1339d603206095873a2865805661382009a3587f1278ac5455ce79e910705789 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51C1 | 5392 bytes |
font_01_sfnt_off00006415.bin3d33a9bd3941c3e2cbe5fcc9976eea47020dcc4a45fb585f1abecff228c31b79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6415 | 10856 bytes |
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